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Promethium
Promethium

Mendelevium
Mendelevium



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Promethium
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Mendelevium

Facts About Promethium and Mendelevium

Facts

Interesting Facts

  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
  • Mendelevium metal is synthetically produced metal.
  • Mendelevium metal has been produced in only trace amount.

Sources

Found in Minerals, Mining
Bombarding Einsteinium with Helium Ions

History

Who Discovered

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

Discovery

In 1942
In 1955

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
👆🏻

Abundance In Sun

--
0 0.1
👆🏻

Abundance In Meteorites

-0.00 %
0 22
👆🏻

Abundance In Earth's Crust

0.00 %-
1E-37 8.1
👆🏻

Abundance In Oceans

--
0 1.1
👆🏻

Abundance In Humans

0.00 %0.00 %
0 1.4
👆🏻