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Facts About Calcium and Protactinium


Facts About Protactinium and Calcium


Facts

Interesting Facts
  • Calcium ranks 5th rank in the list of earth’s abundance Percentage.
  • It is found in the compound state.
  • Gypsum or calcium sulfate is used as plaster and plaster of paris.
  
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  

Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
Found in Uranium Ores, Mining, Ores of metals   

History
  
  

Who Discovered
Humphry Davy   
William Crookes   

Discovery
In 1808   
In 1900   

Abundance
  
  

Abundance In Universe
7 * 10-3 %   
3
Not Available   

Abundance In Sun
~0.007 %   
4
~-9999 %   

Abundance In Meteorites
1.10 %   
4
Not Available   

Abundance In Earth's Crust
5.00 %   
3
0.00 %   
99+

Abundance In Oceans
0.00 %   
5
0.00 %   
99+

Abundance In Humans
1.40 %   
1
Not Available   

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