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Facts About Molybdenum and Osmium


Facts About Osmium 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.
  
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  

Sources
Found in Minerals, Mining, Ores of Minerals   
Found As a By-product, Found in Minerals, Mining   

History
  
  

Who Discovered
Carl Wilhelm Scheele   
Smithson Tennant   

Discovery
In 1778   
In 1803   

Abundance
  
  

Abundance In Universe
5 * 10-7 %   
19
3 * 10-7 %   
21

Abundance In Sun
~0.0000009 %   
19
~0.0000002 %   
25

Abundance In Meteorites
0.00 %   
24
0.00 %   
28

Abundance In Earth's Crust
0.00 %   
39
0.00 %   
99+

Abundance In Oceans
0.00 %   
9
Not Available   

Abundance In Humans
0.00 %   
14
Not Available   

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