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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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