25 Mn
Transition metal
Manganese
Used in steel and batteries.
Properties of Manganese
- Atomic number (Z)
- 25
- Symbol
- Mn
- Atomic mass
- 54.938 g/mol
- Category
- Transition metal
- Group
- 7
- Period
- 4
- Electron configuration
- [Ar] 3d⁵ 4s²
- Electronegativity (Pauling)
- 1.55
- Atomic radius
- 161 pm
- First ionization energy
- 717 kJ/mol
- Melting point
- 1519 K (1245.8 °C)
- Boiling point
- 2334 K (2060.8 °C)
- Density
- 7.44 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1774
Frequently asked questions
What is Manganese?
Manganese (Mn) is a transition metal, element number 25 on the periodic table. Used in steel and batteries.
What is the atomic number and atomic mass of Manganese?
Manganese has atomic number 25 and an atomic mass of about 54.938 g/mol.
What is the electron configuration of Manganese?
The electron configuration of Manganese is [Ar] 3d⁵ 4s².
Where is Manganese on the periodic table?
Manganese sits in group 7, period 4, and is classified as a transition metal.