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Calcium
Fast Facts on Calcium
| Question | Answer |
|---|---|
| Calcium Atomic Number | 20 |
| Calcium Atomic Mass | 40.078 |
| Calcium Number of Protons | 20 |
| Calcium Number of Neutrons | 20 |
| Calcium Number of Electrons | 20 |
| Discovered Calcium | Sir Humphrey Davy |
| Year Calcium was discovered | 1808 |
| Calcium state at room temp | Solid |
| Calcium type of element | Metal |
| Calcium group | Alkali Earth Metal |