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Thorium
Thorium

Roentgenium
Roentgenium



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Facts About Thorium and Roentgenium

1 Facts
1.1 Interesting Facts
  • Thorium metal is used as an alternate option over Uranium for nuclear fuel.
  • Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
Not Available
1.2 Sources
Found in Minerals, Mining
Synthetically Produced
1.3 History
1.3.1 Who Discovered
Jöns Jakob Berzelius
Gesellschaft für Schwerionenforschung
1.3.2 Discovery
In 1829
In 1994
1.4 Abundance
1.4.1 Abundance In Universe
3 * 10-4 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0004 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.05 %NA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.66 %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
NANA
Facts About Radium
1E-13 1.4