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Promethium
Promethium

Neodymium
Neodymium



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Promethium
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Neodymium

Facts About Promethium and Neodymium

1 Facts
1.1 Interesting Facts
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
  • Neodymium is not found free in nature, hence it is not a native metal.
  • Neodymium metal found in minerals like Monazite and Bastnaesite.
1.2 Sources
Found in Minerals, Mining
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Carl Auer von Welsbach
1.3.2 Discovery
In 1942
In 1885
1.4 Abundance
1.4.1 Abundance In Universe
NA1 * 10-6 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~0.0000003 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NA0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NA0.00 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NA0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4