1 Facts
1.1 Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
Not Available
1.2 Sources
Formed by Decay Process, Mining
Earth's crust, Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Marguerite Perey
Robert Bunsen and Gustav Kirchhoff
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
~-9999 %~0.0000008 %
1E-08
0.1
1.5.1 Abundance In Meteorites
1.5.2 Abundance In Earth's Crust
1.5.3 Abundance In Oceans
1.5.4 Abundance In Humans