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.
- In the list of most abundant element Potassium is ranked 7th.
- Potassium can easily be sliced (chopped) down using knife.
1.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Humphry Davy
Humphry Davy
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-3 %3 * 10-4 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.007 %~0.0004 %
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