Interesting Facts
Actinium glows in the dark due to its radioactivity.
Cesium is the most alkaline metal and is used in atomic clocks.
Sources
Obtained by Treating Radium with Neutrons, Ores of metals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
History
Who Discovered
Friedrich Oskar Giesel
Robert Bunsen and Gustav Kirchhoff
Discovery
In 1902
In 1860
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
👆🏻