Interesting Facts
Cesium is the most alkaline metal and is used in atomic clocks.
Actinium glows in the dark due to its radioactivity.
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Obtained by Treating Radium with Neutrons, Ores of metals
History
Who Discovered
Robert Bunsen and Gustav Kirchhoff
Friedrich Oskar Giesel
Discovery
In 1860
In 1902
Abundance
Abundance In Universe
0.00 %0.00 %
0
0.11
👆🏻
Abundance In Sun
0.00 %0.00 %
0
0.1
👆🏻
Abundance In Meteorites
0.00 %0.00 %
0
22
👆🏻
Abundance In Earth's Crust
0.00 %0.00 %
1E-37
8.1
👆🏻
Abundance In Oceans
0.00 %0.00 %
0
1.1
👆🏻
Abundance In Humans
0.00 %0.00 %
0
1.4
👆🏻