Kala saar Qaybaha
Dooro ilaa 4 qaybaha si aad u barbardhigo astaamahooda dhinac ka dhinac.
Ca
Calcium
#20 · Alkaline Earth Metal
| Cirro | 40.078 u |
| Cidhiidhi | 1.55 g/cm³ |
| Ku shub | 1115.0 K |
| Ku shub | 1757.0 K |
| Electronegativity | 1.0 |
| Istaraatiijiyad | 589.8 kJ/mol |
| Awooda | 197.0 pm |
| Blok | s-block |
| Gobol (RT) | Cidhiidhi |
| _Fiirso | [Ar] 4s2 |