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
- At times Terbium metal acts same as Calcium.
- Terbium metal closely similar to Lanthanum metal.
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals