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Cesium
Cesium

Roentgenium
Roentgenium



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Cesium
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Roentgenium

Facts About Cesium and Roentgenium

1 Facts
1.1 Interesting Facts
Not Available
Not Available
1.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Synthetically Produced
1.3 History
1.3.1 Who Discovered
Robert Bunsen and Gustav Kirchhoff
Gesellschaft für Schwerionenforschung
1.3.2 Discovery
In 1860
In 1994
1.4 Abundance
1.4.1 Abundance In Universe
8 * 10-8 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000008 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %NA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %NA
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %NA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
0.00 %NA
Facts About Radium
1E-13 1.4