Facts About Francium and Neodymium
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
  
Abundance In Sun
~-9999 %
  
~0.0000003 %
  
24
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available