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Facts About Thorium and Chromium


Facts About Chromium and Thorium


Facts

Interesting Facts
  • Thorium metal is used as an alternate option over Uranium for nuclear fuel.
  • Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
  
  • Chromium is highly reactive, hence it is not found free in nature.
  • Ores of Chromites mineral are the major source of Chromium metal.
  • Almost 90% leather tanning is done with the help of chromium.
  

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

History
  
  

Who Discovered
Jöns Jakob Berzelius   
Louis Nicolas Vauquelin   

Discovery
In 1829   
In Between 1797 - 1798   

Abundance
  
  

Abundance In Universe
3 * 10-4 %   
9
1.5 * 10-3 %   
7

Abundance In Sun
~0.0004 %   
9
~0.002 %   
7

Abundance In Meteorites
0.05 %   
11
0.30 %   
7

Abundance In Earth's Crust
0.66 %   
7
0.01 %   
13

Abundance In Oceans
0.00 %   
15
0.00 %   
16

Abundance In Humans
Not Available   
0.00 %   
16

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