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Einsteinium
Einsteinium

Promethium
Promethium



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Facts About Einsteinium and Promethium

Facts

Interesting Facts

  • Einsteinium is the transuranic element found in US.
  • Only 0.01 mg of Einsteinium was synthesized in 1961.
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.

Sources

Made by Bombarding Uranium with Neutrons
Found in Minerals, Mining

History

Who Discovered

Lawrence Berkeley National Laboratory
Chien Shiung Wu, Emilio Segrè, Hans Bethe

Discovery

In 1952
In 1942

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
👆🏻

Abundance In Sun

0.00 %-
0 0.1
👆🏻

Abundance In Meteorites

0.00 %-
0 22
👆🏻

Abundance In Earth's Crust

0.00 %0.00 %
1E-37 8.1
👆🏻

Abundance In Oceans

--
0 1.1
👆🏻

Abundance In Humans

0.00 %0.00 %
0 1.4
👆🏻