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.
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
1.2 Sources
Formed by Decay Process, Mining
Bombarding Plutonium with Helium Ions
1.3 History
1.3.1 Who Discovered
Marguerite Perey
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
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