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Facts About Protactinium and Neodymium


Facts About Neodymium and Protactinium


Facts

Interesting Facts
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  
  • Neodymium is not found free in nature, hence it is not a native metal.
  • Neodymium metal found in minerals like Monazite and Bastnaesite.
  

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

History
  
  

Who Discovered
William Crookes   
Carl Auer von Welsbach   

Discovery
In 1900   
In 1885   

Abundance
  
  

Abundance In Universe
Not Available   
1 * 10-6 %   
16

Abundance In Sun
~-9999 %   
~0.0000003 %   
24

Abundance In Meteorites
Not Available   
0.00 %   
30

Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
20

Abundance In Oceans
0.00 %   
99+
0.00 %   
30

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