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Facts About Manganese and Hafnium


Facts About Hafnium and Manganese


Facts

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

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

History
  
  

Who Discovered
Johann Gottlieb Gahn   
Dirk Coster and George de Hevesy   

Discovery
In 1774   
In 1922   

Abundance
  
  

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

Abundance In Sun
~0.001 %   
8
~0.0000001 %   
26

Abundance In Meteorites
0.27 %   
8
0.00 %   
37

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

Abundance In Oceans
0.00 %   
13
0.00 %   
27

Abundance In Humans
0.00 %   
13
Not Available   

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