Calcium
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| Calcium | |
|---|---|
| Properties | |
| Atomic symbol | Ca |
| Atomic number | 20 |
| Classification | Standard metal |
| Atomic mass | 40.1 amu |
| Other Information | |
| Date of discovery | 1808 |
| Name of discoverer | Sir Humphrey Davy |
| Name origin | From the Latin calcis. |
| Uses | Calcium is one of the primary elements in bones, shells, etc. Taking Calcium internally can promote bone growth. |
| Obtained from | Chalk, limestone, marble, vitamin to promote bone growth. |