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Facts About Protactinium and Praseodymium


Facts About Praseodymium and Protactinium


Facts

Interesting Facts
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  
  • Praseodymium metal is synthetically produced metal.
  • Praseodymium is used as possible fuel for radioactive generators.
  

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

History
  
  

Who Discovered
William Crookes   
Not Available   

Discovery
In 1900   
In 1885   

Abundance
  
  

Abundance In Universe
Not Available   
2 * 10-7 %   
22

Abundance In Sun
~-9999 %   
~0.0000001 %   
26

Abundance In Meteorites
Not Available   
0.00 %   
40

Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
27

Abundance In Oceans
0.00 %   
99+
0.00 %   
39

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