1 Facts
1.1 Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
1.2 Sources
Found in Uranium Ores, Mining, Ores of metals
Found in Minerals, Mining, Synthetically Produced
1.3 History
1.3.1 Who Discovered
William Crookes
Gesellschaft für Schwerionenforschung
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans