Facts About Protactinium and Californium
Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Californium metal is very harmful and highly radioactive.
- Californium metal is the heaviest metal.
Sources
Found in Uranium Ores, Mining, Ores of metals
Made by Bombarding Curium with Helium Ions
Who Discovered
William Crookes
Lawrence Berkeley National Laboratory
Discovery
In 1900
In 1950
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available