Facts About Francium and Flerovium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
  
Not Available
  
Sources
Formed by Decay Process, Mining
  
NA
  
History
  
  
Who Discovered
Marguerite Perey
  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
  
Discovery
In 1939
  
In 1999
  
Abundance