Interesting Facts
Sources
Who Discovered
Discovery
Abundance In Universe
Abundance In Sun
Abundance In Meteorites
Abundance In Earth's Crust
Abundance In Oceans
Abundance In Humans
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
Found in Uranium Ores, Mining, Ores of metals
- Gadolinium is not found free in nature, hence it is not a native metal.
- Gadolinium metal found in minerals like Monazite and Bastnaesite.
Found in Minerals, Mining
Jean Charles Galissard de Marignac