About the sample | This is a commercial sample which was quickly cleaned mechanically with a rotary carving tool and placed in a narrow test tube previously filled with argon. Then, it was closed by heating and making an ampoule. This sample is donated by Metodija Najdoski from his private collection. |
| Z | 20 |
| ρ / g/cm3 | 15.50 |
| tt, mp / °C | 842 |
| tv, bp / °C | 1484 |
| Ar | 40.08 |
| Electronegativity, (X) | 1 |
| Crystal structure | Cubic |
| Extended information | https://www.webelements.com/calcium/ |