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