Facts About Tennessine and Francium
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
Synthetically Produced
Formed by Decay Process, Mining
Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
Marguerite Perey
Discovery
In 2010
In 1939