Facts About Terbium and Protactinium
Interesting Facts
- At times Terbium metal acts same as Calcium.
- Terbium metal closely similar to Lanthanum metal.
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
Sources
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
Found in Uranium Ores, Mining, Ores of metals
Who Discovered
Carl Gustaf Mosander
William Crookes
Discovery
In 1842
In 1900
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust