1 Facts
1.1 Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
1.2 Sources
Found in Uranium Ores, Mining, Ores of metals
Bombarding Einsteinium with Helium Ions
1.3 History
1.3.1 Who Discovered
William Crookes
Lawrence Berkeley National Laboratory
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