PERIODIC TABLE

Manganese

Atomic No. 25 Mn Manganese

About Manganese

Manganese is a transition metal with atomic number 25 that exhibits several oxidation states, including +2, +3 and +4 in many useful solids. It is an important alloying element in steel, and manganese dioxide is used as the cathode material in alkaline batteries. Manganese also occurs in rechargeable battery cathodes, including lithium manganese oxide and mixed nickel manganese cobalt oxides.

Properties

Atomic Number
25
Atomic Symbol
Mn
Atomic Mass
54.938
CAS No.
7439-96-5
Density
7.47 g/cm³
Series
transition metal
Melting Point
1,246°C
Boiling Point
2,061°C
Thermal Conductivity
0.077 W/cm °C
Heat of Fusion
13.2 kJ/mol
Heat of Vaporization
220 kJ/mol
Electronegativity
1.55 pauling
Crystal Structure
Cubic
Electrical Conductivity
620000 S/m

Manganese Products

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