Basic Information

Name: manganese

Symbol: cr

Classification: Manganese is a transition metal

color:gray-white

Atomic weight54.9380

state: solid

Melting Point: 1250 oC, 1523 K

Boiling Point: 2060 oC, 2333 K

Shells: 2,8,13,2

Electron configuration:[Ar] 3d5 4s2

Density @ 20oC: 7.43 g/cm3

Atomic volume: 7.4 cm3/mol

Structure: hcp: complex (cubic)

Hardness: 6.0 mohs