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Facts About Protactinium and Niobium


Facts About Niobium and Protactinium


Facts

Interesting Facts
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
  

Sources
Found in Uranium Ores, Mining, Ores of metals   
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
William Crookes   
Charles Hatchett   

Discovery
In 1900   
In 1801   

Abundance
  
  

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

Abundance In Sun
~-9999 %   
~0.0000004 %   
23

Abundance In Meteorites
Not Available   
0.00 %   
35

Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
25

Abundance In Oceans
0.00 %   
99+
0.00 %   
34

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