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Thorium
Thorium

Promethium
Promethium



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Promethium

Facts About Thorium and Promethium

Facts

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.
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.

Sources

Found in Minerals, Mining
Found in Minerals, Mining

History

Who Discovered

Jöns Jakob Berzelius
Chien Shiung Wu, Emilio Segrè, Hans Bethe

Discovery

In 1829
In 1942

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
👆🏻

Abundance In Sun

0.00 %-
0 0.1
👆🏻

Abundance In Meteorites

0.05 %-
0 22
👆🏻

Abundance In Earth's Crust

0.66 %0.00 %
1E-37 8.1
👆🏻

Abundance In Oceans

0.00 %-
0 1.1
👆🏻

Abundance In Humans

0.00 %0.00 %
0 1.4
👆🏻