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Mendelevium
Mendelevium

Promethium
Promethium



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Mendelevium
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Promethium

Facts About Mendelevium and Promethium

1 Facts
1.1 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.
1.2 Sources
Bombarding Einsteinium with Helium Ions
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Chien Shiung Wu, Emilio Segrè, Hans Bethe
1.3.2 Discovery
In 1955
In 1942
1.4 Abundance
1.4.1 Abundance In Universe
NANA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NANA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NANA
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NANA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4