Facts About Roentgenium and Protactinium
Interesting Facts
Not Available
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
Sources
Synthetically Produced
Found in Uranium Ores, Mining, Ores of metals
Who Discovered
Gesellschaft für Schwerionenforschung
William Crookes
Discovery
In 1994
In 1900
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available