| Manganese ✕ | |
|---|---|
| Symbol | Mn |
| Atomic number | 25 |
| Chemical property | Transition metal |
| Origin o the name | corrupted from magnesia negra, see Magnesium |
| Group | 7 |
| Period | 4 |
| Atomic weight (u) | 54.938044 |
| Atomic weight uncertainty (u) | 0.000003 |
| Density (g/cm³) | 7.44 |
| Melting point (K) | 1519 |
| Boiling point (K) | 2334 |
| Heat capacity (J/(g·K)) | 0.479 |
| Electro-negativity | 1.55 |
| Abundance in earth's crust (mg/kg) | 950 |