| Element | Manganese | Symbol | Mn |
| Atomic Number | 25 | Molar Mass | 54.94 gmol-1 |
| Electron Configuration | [Ar]3d54s2 | Normal State | solid metal |
| Density @STP | 7.47 g cm-3 | Melting Point | 1246oC |
| Boiling Point | 2061oC | Stable Isotopes | 55Mn |
| Atomic Radius | 137 pm | Ionic Radius | 91 (2+) pm |
| Electronegativity (Pauling) | 1.55 | Ionization Energy (1st) | 717 kJ mol-1 |
| Ionization Energy (2nd) | 1509 kJ mol-1 | Ionization Energy (3rd) | 3248 kJ mol-1 |
| Molar Heat Capacity | 26.3 J K-1mol-1 | Standard Molar Entropy | 32 J K-1mol-1 |
| Enthalpy of Fusion | 14.4 kJ mol-1 | Enthalpy of Vapourization | 219.7 kJ mol-1 |