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Molybdenum
Molybdenum

Promethium
Promethium



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Molybdenum
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Promethium

Facts About Molybdenum and Promethium

Facts

Interesting Facts

Sources

Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

 
  • Molybdenum is highly reactive metal, hence not found free in nature .
  • Till 18th century Molybdenum element were often mistaken as a carbon or Lead.
Found in Minerals, Mining, Ores of Minerals
Carl Wilhelm Scheele
In 1778
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  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
Found in Minerals, Mining
Chien Shiung Wu, Emilio Segrè, Hans Bethe
In 1942
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