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
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
Found in Uranium Ores, Mining, Ores of metals
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