Facts About Promethium and Protactinium
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.
Sources
Found in Minerals, Mining
Found in Uranium Ores, Mining, Ores of metals
Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
William Crookes
Discovery
In 1942
In 1900
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available