×

Mendelevium
Mendelevium

Promethium
Promethium



ADD
Compare
X
Mendelevium
X
Promethium

Facts About Mendelevium and Promethium

Facts

Interesting Facts

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

Sources

Bombarding Einsteinium with Helium Ions
Found in Minerals, Mining

History

Who Discovered

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

Discovery

In 1955
In 1942

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
👆🏻