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