Mn
Manganese Symbol (Mn)
Manganese is element 25 of the periodic table. Copy its symbol Mn and see its atomic weight, electron configuration and common compounds.
What does Mn mean?
Mn is the chemical symbol for manganese, element number 25 in the periodic table. Manganese is a transition metal in group 7, period 4. It is essential in steelmaking; potassium permanganate (KMnO₄) is a strong oxidising agent.
Codes and properties
| Chemical symbol | Mn |
|---|---|
| Atomic number (Z) | 25 |
| Atomic weight (PubChem) | 54.93804 |
| Group / period | 7 / 4 |
| Element category | transition metal |
| Electron configuration | [Ar]4s² 3d⁵ |
| State at 20 °C | Solid |
| Oxidation states | +7, +4, +3, +2 |
| Electronegativity (Pauling) | 1.55 |
| Melting point | 1519 K (1245.85 °C) |
| Boiling point | 2334 K (2060.85 °C) |
| Density | 7.3 g/cm³ |
| Discovered | 1774 |
| Common compounds | MnO₂, KMnO₄ |
How to type Mn
- Plain text: type
Mn— element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase. - Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as MnO₂ — copy them from the chemistry keyboard.
- LaTeX: write
\mathrm{Mn}in math mode, or use the mhchem package:\ce{Mn}. - HTML:
Mn; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for manganese?
The chemical symbol for manganese is Mn.
What is the atomic number of manganese?
Manganese has atomic number 25, meaning each atom has 25 protons.
What is the electron configuration of manganese?
The ground-state electron configuration of manganese is [Ar]4s² 3d⁵.
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Reference: Manganese on PubChem (NIH)