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Facts About Hafnium and Cerium


Facts About Cerium 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.
  
  • Cerium is a rare earth metal but still it is not rare at all.
  • It’s non-toxic compound Cerium sulfide has a rich red color and it is used as a pigment.
  • Cerium metal is also used in Flat screen TVs, light bulb, floodlights, etc.
  

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

History
  
  

Who Discovered
Dirk Coster and George de Hevesy   
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger   

Discovery
In 1922   
In 1803   

Abundance
  
  

Abundance In Universe
7 * 10-8 %   
25
1 * 10-6 %   
16

Abundance In Sun
~0.0000001 %   
26
~0.0000004 %   
23

Abundance In Meteorites
0.00 %   
37
0.00 %   
27

Abundance In Earth's Crust
0.00 %   
31
0.01 %   
18

Abundance In Oceans
0.00 %   
27
0.00 %   
33

Uses >>
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