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.
- It is synthetically produced metal.
- Radiation hazard can be produce by it.
1.2 Sources
Formed by Decay Process, Mining
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Marguerite Perey
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans