Facts About Protactinium and Calcium
Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Calcium ranks 5th rank in the list of earth’s abundance Percentage.
- It is found in the compound state.
- Gypsum or calcium sulfate is used as plaster and plaster of paris.
Sources
Found in Uranium Ores, Mining, Ores of metals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Who Discovered
William Crookes
Humphry Davy
Discovery
In 1900
In 1808
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Abundance In Humans
Not Available