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Facts About Molybdenum and Holmium


Facts About Holmium 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.
  
  • Holmium metal is very soft and malleable.
  • Holmium metal is well known for its corrosion resistivity.
  

Sources
Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Carl Wilhelm Scheele   
Marc Delafontaine   

Discovery
In 1778   
In 1878   

Abundance
  
  

Abundance In Universe
5 * 10-7 %   
19
5 * 10-8 %   
27

Abundance In Sun
~0.0000009 %   
19
~-9999 %   

Abundance In Meteorites
0.00 %   
24
0.00 %   
99+

Abundance In Earth's Crust
0.00 %   
39
0.00 %   
38

Abundance In Oceans
0.00 %   
9
0.00 %   
99+

Abundance In Humans
0.00 %   
14
Not Available   

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