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Facts About Thorium and Protactinium


Facts About Protactinium 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.
  
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  

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

History
  
  

Who Discovered
Jöns Jakob Berzelius   
William Crookes   

Discovery
In 1829   
In 1900   

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
0.00 %   
99+

Abundance In Oceans
0.00 %   
15
0.00 %   
99+

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