Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
Sources
Found in Uranium Ores, Mining, Ores of metals
Bombarding Plutonium with Helium Ions
History
Who Discovered
William Crookes
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Discovery
In 1900
In 1944
Abundance
Abundance In Universe
0.00 %0.00 %
0
0.11
👆🏻
Abundance In Sun
0.00 %0.00 %
0
0.1
👆🏻
Abundance In Meteorites
-0.00 %
0
22
👆🏻
Abundance In Earth's Crust
0.00 %0.00 %
1E-37
8.1
👆🏻
Abundance In Oceans
0.00 %-
0
1.1
👆🏻
Abundance In Humans
0.00 %0.00 %
0
1.4
👆🏻