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Facts About Praseodymium and Thorium


Facts About Thorium and Praseodymium


Facts

Interesting Facts
  • Praseodymium metal is synthetically produced metal.
  • Praseodymium is used as possible fuel for radioactive generators.
  
  • 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 in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining   

History
  
  

Who Discovered
Not Available   
Jöns Jakob Berzelius   

Discovery
In 1885   
In 1829   

Abundance
  
  

Abundance In Universe
2 * 10-7 %   
22
3 * 10-4 %   
9

Abundance In Sun
~0.0000001 %   
26
~0.0004 %   
9

Abundance In Meteorites
0.00 %   
40
0.05 %   
11

Abundance In Earth's Crust
0.00 %   
27
0.66 %   
7

Abundance In Oceans
0.00 %   
39
0.00 %   
15

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