Facts About Francium and Actinium
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
Obtained by Treating Radium with Neutrons, Ores of metals
Who Discovered
Marguerite Perey
Friedrich Oskar Giesel
Discovery
In 1939
In 1902