Interesting Facts
Sources
Who Discovered
Discovery
Abundance In Universe
Abundance In Sun
Abundance In Meteorites
Abundance In Earth's Crust
Abundance In Oceans
Abundance In Humans
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
Formed by Decay Process, Mining
Cesium is the most alkaline metal and is used in atomic clocks.
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Robert Bunsen and Gustav Kirchhoff