Manganese (Mn) — Element 25: Properties & Data | Aladdin Scientific
Manganese(Mn) — Element 25
Manganese (Mn) is a transition metal with atomic number 25 and atomic mass 54.938. It has melting point 1519 K (1246 °C), boiling point 2334 K (2061 °C), density 7.3 g/cm³. It sits in group 7 and period 4 of the periodic table and was discovered in 1774.
Key facts
| Atomic mass | 54.9380 u |
|---|---|
| Electron configuration | [Ar]4s2 3d5 |
| Oxidation states | +7, +4, +3, +2 |
| Electronegativity (Pauling) | 1.55 |
| Atomic radius (van der Waals) | 197 pm |
| Ionization energy | 7.434 eV |
| Melting point | 1519 K |
| Boiling point | 2334 K |
| Density | 7.3 g/cm³ |
| Standard state | Solid |
| Year discovered | 1774 |
Frequently asked questions
What is the electron configuration of manganese?
The ground-state electron configuration of manganese is [Ar]4s2 3d5.
What group and period is manganese in?
Manganese (Mn) is in group 7 and period 4 of the periodic table, classified as a transition metal.
What is the melting point of manganese?
Manganese melts at 1519 K (1246 °C).
What is the standard state of manganese?
Manganese is a solid at standard temperature and pressure.
Related elements
About this data: property values compiled from IUPAC Standard Atomic Weights (2021), the NIST Atomic Spectra Database, and PubChem. Curated by the Aladdin Scientific technical team. Last reviewed: .