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Facts About Hafnium and Manganese


Facts About Manganese and Hafnium


Facts

Interesting Facts
  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
  
  • Manganese is an essential trace element in all forms of life.
  • Manganese metal oxidizes very easily, but it does not fuse that easily.
  

Sources
By-product Zirconium Refining   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Dirk Coster and George de Hevesy   
Johann Gottlieb Gahn   

Discovery
In 1922   
In 1774   

Abundance
  
  

Abundance In Universe
7 * 10-8 %   
25
8 * 10-4 %   
8

Abundance In Sun
~0.0000001 %   
26
~0.001 %   
8

Abundance In Meteorites
0.00 %   
37
0.27 %   
8

Abundance In Earth's Crust
0.00 %   
31
0.11 %   
8

Abundance In Oceans
0.00 %   
27
0.00 %   
13

Abundance In Humans
Not Available   
0.00 %   
13

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