Basic Information

Name: cobalt

Symbol: co

Classification:Cobalt is a transition metal

color:bluish-white

Atomic weight : 58.9332

state: solid

Melting Point:1495 oC, 1768 K

Boiling Point:2930 oC, 3203 K

Shells: 2,8,15,2

Electron configuration:[Ar] 3d7 4s2

Density @ 20oC:8.90 g/cm3

Atomic volume: 6.7 cm3/mol

Structure: hcp: hexagonal close pkd

Hardness: 5.0 mohs