Ampitahao ireo singantaharo
Safidio ny singantaharo 4 farafahakeliny mba hampitaha ny toetoetr'izy ireo mifampitohy.
Ca
Calcium
#20 · Metaly
| Mass | 40.078 u |
| Fiparitahan'ny loko | 1.55 g/cm³ |
| Mikoriana | 1115.0 K |
| Mameno | 1757.0 K |
| Electronegativity | 1.0 |
| Arika | 589.8 kJ/mol |
| Atomic radius | 197.0 pm |
| Block | s-block |
| Fanjakana (RT) | Mitambatra |
| Fandrindrana | [Ar] 4s2 |