1 Facts
1.1 Interesting Facts
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
1.2 Sources
Found in Minerals, Mining
Found in Uranium Ores, Mining, Ores of metals
1.3 History
1.3.1 Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
William Crookes
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
1.5.2 Abundance In Meteorites
1.6.2 Abundance In Earth's Crust
1.6.5 Abundance In Oceans
1.6.6 Abundance In Humans