1 Facts
1.1 Interesting Facts
- 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.
- Naturally occurring minor elements include Cadmium.
- Cadmium is released into atmosphere to control volcanic eruption and forest fires.
- It is used for electroplating of Steel for corrosion resistance.
- It can absorb neutrons and used in nuclear reactor to control atomic fission.
1.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Found As a By-product, Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Humphry Davy
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-3 %2 * 10-7 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.007 %~0.0000006 %
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