1 Facts
1.1 Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Californium metal is very harmful and highly radioactive.
- Californium metal is the heaviest metal.
1.2 Sources
Found in Uranium Ores, Mining, Ores of metals
Made by Bombarding Curium 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
1.4.3 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
1.4.5 Abundance In Meteorites
1.4.7 Abundance In Earth's Crust
1.4.9 Abundance In Oceans
1.4.11 Abundance In Humans