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Facts About Francium and Neodymium


Facts About Neodymium and Francium


Facts

Interesting Facts
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
  
  • Neodymium is not found free in nature, hence it is not a native metal.
  • Neodymium metal found in minerals like Monazite and Bastnaesite.
  

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

History
  
  

Who Discovered
Marguerite Perey   
Carl Auer von Welsbach   

Discovery
In 1939   
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
Not Available   
0.00 %   
20

Abundance In Oceans
Not Available   
0.00 %   
30

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