Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
Cesium is the most alkaline metal and is used in atomic clocks.
Sources
Found in Uranium Ores, Mining, Ores of metals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
History
Who Discovered
William Crookes
Robert Bunsen and Gustav Kirchhoff
Discovery
In 1900
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
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
👆🏻