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Facts About Osmium and Thorium


Facts About Thorium and Osmium


Facts

Interesting Facts
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  
  • 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.
  

Sources
Found As a By-product, Found in Minerals, Mining   
Found in Minerals, Mining   

History
  
  

Who Discovered
Smithson Tennant   
Jöns Jakob Berzelius   

Discovery
In 1803   
In 1829   

Abundance
  
  

Abundance In Universe
3 * 10-7 %   
21
3 * 10-4 %   
9

Abundance In Sun
~0.0000002 %   
25
~0.0004 %   
9

Abundance In Meteorites
0.00 %   
28
0.05 %   
11

Abundance In Earth's Crust
0.00 %   
99+
0.66 %   
7

Abundance In Oceans
Not Available   
0.00 %   
15

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