Basic Information

Name: calcium

Symbol: ca

Classification: Calcium is an alkali earth metal

color:silvery-gray

Atomic weight:40.078

state: solid

Melting Point:842 oC, 1115 K

Boiling Point:1484 oC , 1771 K

Shells: 2,8,8,2

Electron configuration:1s2 2s2 2p6 3s2 3p6 4s2

Density @ 20oC: 1.55 g/cm3

Atomic volume: 29.9 cm3/mol

Structure: hcp: ccp: cubic close packed

Hardness: 1.75 mohs