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Facts About Molybdenum and Francium


Facts About Francium and Molybdenum


Facts

Interesting Facts
  • Molybdenum is highly reactive metal, hence not found free in nature .
  • Till 18th century Molybdenum element were often mistaken as a carbon or Lead.
  
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
  

Sources
Found in Minerals, Mining, Ores of Minerals   
Formed by Decay Process, Mining   

History
  
  

Who Discovered
Carl Wilhelm Scheele   
Marguerite Perey   

Discovery
In 1778   
In 1939   

Abundance
  
  

Abundance In Universe
5 * 10-7 %   
19
Not Available   

Abundance In Sun
~0.0000009 %   
19
~-9999 %   

Abundance In Meteorites
0.00 %   
24
Not Available   

Abundance In Earth's Crust
0.00 %   
39
Not Available   

Abundance In Oceans
0.00 %   
9
Not Available   

Abundance In Humans
0.00 %   
14
Not Available   

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