1 Facts
1.1 Interesting Facts
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
- 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.
1.2 Sources
Found in Minerals, Mining
Earth's crust, Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Humphry Davy
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
~-9999 %~0.007 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans