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Facts About Protactinium and Cerium


Facts About Cerium and Protactinium


Facts

Interesting Facts
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  
  • Cerium is a rare earth metal but still it is not rare at all.
  • It’s non-toxic compound Cerium sulfide has a rich red color and it is used as a pigment.
  • Cerium metal is also used in Flat screen TVs, light bulb, floodlights, etc.
  

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

History
  
  

Who Discovered
William Crookes   
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger   

Discovery
In 1900   
In 1803   

Abundance
  
  

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

Abundance In Sun
~-9999 %   
~0.0000004 %   
23

Abundance In Meteorites
Not Available   
0.00 %   
27

Abundance In Earth's Crust
0.00 %   
99+
0.01 %   
18

Abundance In Oceans
0.00 %   
99+
0.00 %   
33

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