From 1e3253609ffe35229ab021c7314ea753b3f5010f Mon Sep 17 00:00:00 2001
From: Carsten Niehaus <cniehaus@gmx.de>
Date: Sat, 8 Dec 2007 09:35:18 +0000
Subject: [PATCH] sync with bodr, including density

svn path=/trunk/KDE/kdeedu/libkdeedu/; revision=746212
---
 libscience/data/elements.xml | 160 ++++++++++++++++++++++++++++-------
 1 file changed, 128 insertions(+), 32 deletions(-)

diff --git a/libscience/data/elements.xml b/libscience/data/elements.xml
index 6bded2b..7dcc67b 100644
--- a/libscience/data/elements.xml
+++ b/libscience/data/elements.xml
@@ -42,6 +42,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Hydrogen" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="7">1.00794</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">1.007825032</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.l-1">0.084</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">13.5984</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="3">0.75420375</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.20</scalar>
@@ -66,6 +67,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Helium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">4.002602</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">4.002603254</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.l-1">0.1785</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">24.5874</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">The Greek word for the sun was 'helios'</scalar>
@@ -89,6 +91,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Lithium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">6.941</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">7.01600455</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">0.53</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.3917</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="21">0.618049</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">0.98</scalar>
@@ -113,6 +116,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Beryllium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">9.012182</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">9.0121822</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">1.85</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">9.3227</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.57</scalar>
@@ -137,6 +141,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Boron" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="7">10.811</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">11.0093054</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">2.46</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">8.2980</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="25">0.279723</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.04</scalar>
@@ -161,6 +166,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Carbon" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="8">12.0107</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">12</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">3.51</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">11.2603</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="20">1.262118</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.55</scalar>
@@ -183,6 +189,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Nitrogen" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">14.0067</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">14.003074</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.l-1">1.17</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">14.5341</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="2">-0.07</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">3.04</scalar>
@@ -207,6 +214,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Oxygen" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">15.9994</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">15.99491462</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.l-1">1.33</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">13.6181</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="27">1.4611120</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">3.44</scalar>
@@ -231,6 +239,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Fluorine" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="5">18.9984032</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">18.99840322</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.l-1">1.58</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">17.4228</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="32">3.4011887</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">3.98</scalar>
@@ -255,6 +264,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Neon" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="6">20.1797</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">19.99244018</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.l-1">0.8999</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">21.5645</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Greek 'neo'. meaning 'new'</scalar>
@@ -276,8 +286,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">11</scalar>
     <label dictRef="bo:symbol" value="Na" />
     <label dictRef="bo:name" xml:lang="en" value="Sodium" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">22.989770</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">22.98976928</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">22.98976928</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">0.97</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.1391</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="25">0.547926</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">0.93</scalar>
@@ -302,6 +313,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Magnesium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="6">24.3050</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">23.9850417</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">1.74</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.6462</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.31</scalar>
@@ -324,8 +336,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">13</scalar>
     <label dictRef="bo:symbol" value="Al" />
     <label dictRef="bo:name" xml:lang="en" value="Aluminium" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">26.981538</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="8">26.9815386</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">26.98153863</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">2.7</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.9858</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="5">0.43283</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.61</scalar>
@@ -350,6 +363,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Silicon" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">28.0855</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">27.97692653</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">2.33</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">8.1517</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="20">1.389521</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.90</scalar>
@@ -372,8 +386,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">15</scalar>
     <label dictRef="bo:symbol" value="P" />
     <label dictRef="bo:name" xml:lang="en" value="Phosphorus" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">30.973761</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">30.973762</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">30.97376163</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">1.82</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">10.4867</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="3">0.7465</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.19</scalar>
@@ -398,10 +413,11 @@
     <label dictRef="bo:name" xml:lang="en" value="Sulfur" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="5">32.065</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">31.972071</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">2.06</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">10.3600</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="10">2.0771029</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.58</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">In sankskrit 'sweb' means 'to sleep'</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">In sanskrit 'sweb' means 'to sleep'</scalar>
     <scalar dataType="xsd:float" dictRef="bo:radiusCovalent" units="units:ang">1.02</scalar>
     <scalar dataType="xsd:float" dictRef="bo:radiusVDW" units="units:ang">1.8</scalar>
     <array title="color" dictRef="bo:elementColor" size="3" dataType="xsd:float">1.00 1.00 0.19</array>
@@ -420,6 +436,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Chlorine" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">35.453</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">34.96885268</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.l-1">2.95</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">12.9676</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="27">3.612724</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">3.16</scalar>
@@ -444,6 +461,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Argon" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">39.948</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">39.96238312</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.l-1">1.66</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">15.7596</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Greek 'aergon' for 'inactive'</scalar>
@@ -467,6 +485,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Potassium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">39.0983</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">38.96370668</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">0.86</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">4.3407</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="12">0.501459</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">0.82</scalar>
@@ -491,6 +510,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Calcium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="4">40.078</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">39.96259098</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">1.54</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.1132</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="10">0.02455</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.00</scalar>
@@ -513,8 +533,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">21</scalar>
     <label dictRef="bo:symbol" value="Sc" />
     <label dictRef="bo:name" xml:lang="en" value="Scandium" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="8">44.955910</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="6">44.955912</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">44.9559119</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">2.99</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.5615</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="20">0.188</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.36</scalar>
@@ -539,6 +560,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Titanium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">47.867</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">47.9479463</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">4.51</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.8281</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="9">0.084</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.54</scalar>
@@ -563,6 +585,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Vanadium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">50.9415</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">50.9439595</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">6.09</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.7462</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="12">0.525</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.63</scalar>
@@ -587,6 +610,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Chromium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="6">51.9961</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">51.9405075</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">7.14</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.7665</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="12">0.67584</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.66</scalar>
@@ -609,8 +633,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">25</scalar>
     <label dictRef="bo:symbol" value="Mn" />
     <label dictRef="bo:name" xml:lang="en" value="Manganese" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="9">54.938049</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="5">54.938045</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">54.9380451</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">7.44</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.4340</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.55</scalar>
@@ -635,6 +660,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Iron" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">55.845</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">55.9349375</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">7.874</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.9024</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="3">0.151</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.83</scalar>
@@ -655,8 +681,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">27</scalar>
     <label dictRef="bo:symbol" value="Co" />
     <label dictRef="bo:name" xml:lang="en" value="Cobalt" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="9">58.933200</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="5">58.933195</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">58.933195</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">8.89</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.8810</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="6">0.6633</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.88</scalar>
@@ -681,6 +708,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Nickel" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">58.6934</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">57.9353429</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">8.91</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.6398</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="12">1.15716</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.91</scalar>
@@ -705,6 +733,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Copper" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">63.546</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">62.9295975</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">8.92</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.7264</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="4">1.23578</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.90</scalar>
@@ -727,6 +756,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Zinc" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="4">65.409</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">63.9291422</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">7.14</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">9.3942</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.65</scalar>
@@ -751,6 +781,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Gallium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">69.723</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">68.9255736</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">5.91</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.9993</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="4">0.41</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.81</scalar>
@@ -775,6 +806,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Germanium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">72.64</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">73.9211778</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">5.32</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.8994</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="15">1.232712</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.01</scalar>
@@ -799,6 +831,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Arsenic" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">74.92160</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">74.9215965</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">5.72</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">9.7886</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="8">0.814</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.18</scalar>
@@ -821,6 +854,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Selenium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">78.96</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">79.9165213</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">4.82</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">9.7524</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="2">2.02067</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.55</scalar>
@@ -845,6 +879,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Bromine" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">79.904</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">78.9183371</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">3.14</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">11.8138</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="20">3.3635880</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.96</scalar>
@@ -869,6 +904,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Krypton" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">83.798</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">83.911507</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.l-1">4.48</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">13.9996</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">3.00</scalar>
@@ -893,6 +929,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Rubidium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">85.4678</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">84.91178974</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">1.53</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">4.1771</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="20">0.485916</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">0.82</scalar>
@@ -917,6 +954,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Strontium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">87.62</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">87.9056121</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">2.63</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.6949</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="6">0.05206</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">0.95</scalar>
@@ -941,6 +979,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Yttrium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">88.90585</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">88.9058483</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">4.47</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.2173</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="12">0.307</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.22</scalar>
@@ -965,6 +1004,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Zirconium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">91.224</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">89.9047044</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">6.51</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.6339</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="14">0.426</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.33</scalar>
@@ -989,6 +1029,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Niobium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">92.90638</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">92.9063781</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">8.58</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.7589</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="25">0.893</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.6</scalar>
@@ -1013,6 +1054,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Molybdenum" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">95.94</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">97.9054082</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">10.28</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.0924</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="2">0.7472</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.16</scalar>
@@ -1037,6 +1079,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Technetium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">98</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">97.907216</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">11.49</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.28</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="20">0.55</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.9</scalar>
@@ -1061,6 +1104,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Ruthenium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">101.07</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">101.9043493</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">12.45</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.3605</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="25">1.04638</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.2</scalar>
@@ -1085,6 +1129,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Rhodium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">102.90550</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">102.905504</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">12.41</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.4589</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="20">1.14289</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.28</scalar>
@@ -1109,6 +1154,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Palladium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">106.42</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">105.903486</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">12.02</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">8.3369</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="12">0.56214</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.20</scalar>
@@ -1131,6 +1177,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Silver" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">107.8682</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">106.905097</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">10.49</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.5762</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="2">1.30447</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.93</scalar>
@@ -1153,6 +1200,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Cadmium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="8">112.411</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">113.9033585</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">8.64</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">8.9938</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.69</scalar>
@@ -1177,6 +1225,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Indium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">114.818</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">114.903878</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">7.31</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.7864</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="9">0.404</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.78</scalar>
@@ -1201,6 +1250,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Tin" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="7">118.710</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">119.9021947</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">7.29</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.3439</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="15">1.112066</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.96</scalar>
@@ -1223,6 +1273,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Antimony" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">121.760</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">120.9038157</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">6.69</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">8.6084</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="20">1.047401</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.05</scalar>
@@ -1245,6 +1296,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Tellurium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">127.60</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">129.9062244</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">6.25</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">9.0096</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="7">1.970875</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.1</scalar>
@@ -1269,6 +1321,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Iodine" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">126.90447</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">126.904473</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">4.94</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">10.4513</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="10">3.059038</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.66</scalar>
@@ -1293,6 +1346,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Xenon" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="6">131.293</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">131.9041535</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.l-1">4.49</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">12.1298</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.6</scalar>
@@ -1315,8 +1369,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">55</scalar>
     <label dictRef="bo:symbol" value="Cs" />
     <label dictRef="bo:name" xml:lang="en" value="Caesium" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">132.90545</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">132.9054519</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">132.9054519</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">1.9</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">3.8939</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="25">0.471626</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">0.79</scalar>
@@ -1341,6 +1396,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Barium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="7">137.327</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">137.9052472</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">3.65</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.2117</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="6">0.14462</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">0.89</scalar>
@@ -1363,8 +1419,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">57</scalar>
     <label dictRef="bo:symbol" value="La" />
     <label dictRef="bo:name" xml:lang="en" value="Lanthanum" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">138.9055</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="7">138.90547</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">138.9063533</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">6.16</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.5769</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="2">0.47</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.10</scalar>
@@ -1389,6 +1446,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Cerium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">140.116</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">139.9054387</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">6.77</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.5387</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.12</scalar>
@@ -1411,6 +1469,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Praseodymium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">140.90765</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">140.9076528</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">6.48</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.473</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.13</scalar>
@@ -1431,8 +1490,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">60</scalar>
     <label dictRef="bo:symbol" value="Nd" />
     <label dictRef="bo:name" xml:lang="en" value="Neodymium" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">144.24</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">144.242</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">141.9077233</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">7</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.5250</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.14</scalar>
@@ -1455,6 +1515,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Promethium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">145</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">144.912749</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">7.22</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.582</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Named after the greek Prometheus. Prometheus stole the fire from the gods and gave it to mankind</scalar>
@@ -1474,8 +1535,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">62</scalar>
     <label dictRef="bo:symbol" value="Sm" />
     <label dictRef="bo:name" xml:lang="en" value="Samarium" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">150.36</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">150.36</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">151.9197324</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">7.54</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.6437</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.17</scalar>
@@ -1498,6 +1560,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Europium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">151.964</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">152.9212303</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">5.25</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.6704</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Named after Europe</scalar>
@@ -1519,6 +1582,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Gadolinium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">157.25</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">157.9241039</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">7.89</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.1498</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.20</scalar>
@@ -1539,8 +1603,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">65</scalar>
     <label dictRef="bo:symbol" value="Tb" />
     <label dictRef="bo:name" xml:lang="en" value="Terbium" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">158.92534</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">158.92535</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">158.9253468</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">8.25</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.8638</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Named after the Swedish town of Ytterby</scalar>
@@ -1562,6 +1627,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Dysprosium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">162.500</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">163.9291748</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">8.56</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.9389</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.22</scalar>
@@ -1584,6 +1650,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Holmium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">164.93032</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">164.9303221</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">8.78</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.0215</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.23</scalar>
@@ -1606,6 +1673,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Erbium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">167.259</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">165.9302931</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">9.05</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.1077</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.24</scalar>
@@ -1628,6 +1696,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Thulium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">168.93421</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">168.9342133</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">9.32</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.1843</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.25</scalar>
@@ -1650,6 +1719,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Ytterbium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">173.04</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">173.9388621</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">9.32</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.2542</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Like Terbium and Gadolinium. this is named after the Swedish town of Ytterby</scalar>
@@ -1671,6 +1741,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Lutetium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">174.967</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">174.9407718</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">9.84</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.4259</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0.5</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.27</scalar>
@@ -1694,6 +1765,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Hafnium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">178.49</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">179.94655</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">13.31</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.8251</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.3</scalar>
@@ -1716,8 +1788,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">73</scalar>
     <label dictRef="bo:symbol" value="Ta" />
     <label dictRef="bo:name" xml:lang="en" value="Tantalum" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">180.9479</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">180.94788</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">180.9479958</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">16.68</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.5496</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="12">0.322</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.5</scalar>
@@ -1742,6 +1815,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Tungsten" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">183.84</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">183.9509312</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">19.26</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.8640</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="8">0.815</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.36</scalar>
@@ -1766,6 +1840,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Rhenium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">186.207</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">186.9557531</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">21.03</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.8335</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="15">0.15</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.9</scalar>
@@ -1790,6 +1865,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Osmium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">190.23</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">191.9614807</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">22.61</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">8.4382</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="12">1.07780</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.2</scalar>
@@ -1814,6 +1890,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Iridium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">192.217</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">192.9629264</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">22.65</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">8.9670</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="15">1.56436</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.20</scalar>
@@ -1836,8 +1913,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">78</scalar>
     <label dictRef="bo:symbol" value="Pt" />
     <label dictRef="bo:name" xml:lang="en" value="Platinum" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">195.078</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="9">195.084</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">194.9647911</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">21.45</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">8.9588</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="5">2.12510</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.28</scalar>
@@ -1860,8 +1938,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">79</scalar>
     <label dictRef="bo:symbol" value="Au" />
     <label dictRef="bo:name" xml:lang="en" value="Gold" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">196.96655</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="4">196.966569</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">196.9665687</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">19.32</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">9.2255</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="3">2.30861</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.54</scalar>
@@ -1884,6 +1963,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Mercury" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">200.59</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">201.970643</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">13.55</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">10.4375</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.00</scalar>
@@ -1906,6 +1986,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Thallium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">204.3833</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">204.9744275</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">11.85</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.1082</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="13">0.377</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.62</scalar>
@@ -1930,6 +2011,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Lead" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">207.2</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">207.9766521</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">11.34</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.4167</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="8">0.364</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.33</scalar>
@@ -1950,8 +2032,9 @@
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">83</scalar>
     <label dictRef="bo:symbol" value="Bi" />
     <label dictRef="bo:name" xml:lang="en" value="Bismuth" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">208.98038</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">208.98040</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">208.9803987</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">9.8</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">7.2855</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="25">0.942363</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.02</scalar>
@@ -1974,6 +2057,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Polonium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">209</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">208.9824304</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">9.2</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">8.414</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev" errorValue="3">1.9</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">2.0</scalar>
@@ -2019,6 +2103,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Radon" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">222</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">222.0175777</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.l-1">9.23</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">10.7485</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronAffinity" units="units:ev">0</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Named after Radium. It ends with 'on' to make it clear that it is a noble gas</scalar>
@@ -2064,6 +2149,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Radium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">226</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">226.0254098</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">5.5</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.2784</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">0.9</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Latin 'radius' for 'beam', as it is radioactive</scalar>
@@ -2086,6 +2172,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Actinium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">227</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">227.0277521</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">10.07</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.17</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.1</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Greek 'aktis' for 'beam' - actinium is radioactive</scalar>
@@ -2100,14 +2187,15 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">3</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 6d1 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Th">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">90</scalar>
     <label dictRef="bo:symbol" value="Th" />
     <label dictRef="bo:name" xml:lang="en" value="Thorium" />
-    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="1">232.0381</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">232.03806</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">232.0380553</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">11.72</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.3067</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.3</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Named after the German god of thunder: Thor</scalar>
@@ -2121,7 +2209,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">4</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 6d2 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Pa">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">91</scalar>
@@ -2129,6 +2217,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Protactinium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="2">231.03588</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">231.035884</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">15.37</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.89</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.5</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Greek 'protos' for 'ancester'. Protactinium is before Actinium in the periodic table.</scalar>
@@ -2142,7 +2231,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">5</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f2 6d1 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="U">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">92</scalar>
@@ -2150,6 +2239,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Uranium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass" errorValue="3">238.02891</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">238.0507882</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">18.97</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.1941</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.38</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Greek 'ouranos' for 'heaven'. Named after the planet Uranus</scalar>
@@ -2163,7 +2253,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">6</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f3 6d1 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Np">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">93</scalar>
@@ -2171,6 +2261,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Neptunium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">237</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">237.0481734</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">20.48</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.2657</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.36</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Named after the planet Neptune.</scalar>
@@ -2184,7 +2275,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">7</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f4 6d1 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Pu">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">94</scalar>
@@ -2192,6 +2283,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Plutonium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">244</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">244.064204</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">19.74</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.0260</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.28</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Named after the planet Pluto.</scalar>
@@ -2205,7 +2297,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">8</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f6 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Am">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">95</scalar>
@@ -2213,6 +2305,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Americium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">243</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">243.0613811</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">13.67</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.9738</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.3</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Named after America.</scalar>
@@ -2226,7 +2319,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">8</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f7 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Cm">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">96</scalar>
@@ -2234,6 +2327,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Curium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">247</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">247.070354</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">13.51</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">5.9914</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.3</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Named after Marie Curie.</scalar>
@@ -2246,7 +2340,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">8</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f7 6d2 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Bk">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">97</scalar>
@@ -2254,6 +2348,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Berkelium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">247</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">247.070307</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">13.25</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.1979</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.3</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Named after the town Berkeley where it was discovered.</scalar>
@@ -2266,7 +2361,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">1</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f9 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Cf">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">98</scalar>
@@ -2274,6 +2369,7 @@
     <label dictRef="bo:name" xml:lang="en" value="Californium" />
     <scalar dataType="xsd:float" dictRef="bo:mass" units="units:atmass">251</scalar>
     <scalar dataType="xsd:float" dictRef="bo:exactMass" units="units:atmass">251.079587</scalar>
+    <scalar dataType="xsd:float" dictRef="bo:density" units="g.cm-3">15.1</scalar>
     <scalar dataType="xsd:float" dictRef="bo:ionization" units="units:ev">6.2817</scalar>
     <scalar dataType="xsd:float" dictRef="bo:electronegativityPauling" units="boUnits:paulingScaleUnit">1.3</scalar>
     <scalar dataType="xsd:string" dictRef="bo:nameOrigin" xml:lang="en">Named after the US-State of California.</scalar>
@@ -2286,7 +2382,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">2</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f10 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Es">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">99</scalar>
@@ -2306,7 +2402,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">3</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f11 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Fm">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">100</scalar>
@@ -2326,7 +2422,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">4</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f12 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Md">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">101</scalar>
@@ -2346,7 +2442,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">5</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f13 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="No">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">102</scalar>
@@ -2364,7 +2460,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">6</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f14 7s2</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Lr">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">103</scalar>
@@ -2383,7 +2479,7 @@
     <scalar dataType="xsd:int" dictRef="bo:period">7</scalar>
     <scalar dataType="xsd:int" dictRef="bo:group">7</scalar>
     <scalar dataType="xsd:string" dictRef="bo:electronicConfiguration">Rn 5f14 7s2 7p1</scalar>
-    <scalar dataType="xsd:string" dictRef="bo:family">Rare_Earth</scalar>
+    <scalar dataType="xsd:string" dictRef="bo:family">Other_Metal</scalar>
   </atom>
   <atom id="Rf">
     <scalar dataType="xsd:Integer" dictRef="bo:atomicNumber">104</scalar>
-- 
2.47.3