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Facts About Europium and Francium


Facts About Francium and Europium


Facts

Interesting Facts
Not Available   
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
  

Sources
Found in Minerals, Mining, Ores of Minerals   
Formed by Decay Process, Mining   

History
  
  

Who Discovered
Eugène-Anatole Demarçay   
Marguerite Perey   

Discovery
In 1896   
In 1939   

Abundance
  
  

Abundance In Universe
5 * 10-8 %   
27
Not Available   

Abundance In Sun
~0.00000005 %   
27
~-9999 %   

Abundance In Meteorites
0.00 %   
99+
Not Available   

Abundance In Earth's Crust
0.00 %   
36
Not Available   

Abundance In Oceans
0.00 %   
99+
Not Available   

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