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Facts About Gadolinium and Protactinium


Facts About Protactinium and Gadolinium


Facts

Interesting Facts
  • Gadolinium is not found free in nature, hence it is not a native metal.
  • Gadolinium metal found in minerals like Monazite and Bastnaesite.
  
  • 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
Jean Charles Galissard de Marignac   
William Crookes   

Discovery
In 1880   
In 1900   

Abundance
  
  

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

Abundance In Sun
~0.0000002 %   
25
~-9999 %   

Abundance In Meteorites
0.00 %   
34
Not Available   

Abundance In Earth's Crust
0.00 %   
30
0.00 %   
99+

Abundance In Oceans
0.00 %   
38
0.00 %   
99+

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