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Facts About Thorium and Neptunium


Facts About Neptunium 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.
  
Not Available   

Sources
Found in Minerals, Mining   
Made by Bombarding Uranium with Neutrons, Ores of metals   

History
  
  

Who Discovered
Jöns Jakob Berzelius   
Edwin McMillan and Philip H. Abelson   

Discovery
In 1829   
In 1940   

Abundance
  
  

Abundance In Universe
3 * 10-4 %   
9
Not Available   

Abundance In Sun
~0.0004 %   
9
~-9999 %   

Abundance In Meteorites
0.05 %   
11
Not Available   

Abundance In Earth's Crust
0.66 %   
7
Not Available   

Abundance In Oceans
0.00 %   
15
Not Available   

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