Facts About Francium and Berkelium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
  
- X-ray Diffraction- different compounds of Berkelium metals are identified using it.
Commercial uses of Berkelium metal are not yet discovered.
  
Sources
Formed by Decay Process, Mining
  
Bombarding Americium with Alpha Particles.
  
History
  
  
Who Discovered
Marguerite Perey
  
Lawrence Berkeley National Laboratory
  
Discovery
In 1939
  
In 1949
  
Abundance