1 Facts
1.1 Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
1.2 Sources
Found in Uranium Ores, Mining, Ores of metals
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
William Crookes
Chien Shiung Wu, Emilio Segrè, Hans Bethe
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