Atomic Radii
Atomic Radius
Bohr Radius
Covalent Radius
Van der Waals
| Manganese | |
| Electron Configuration | 2,8,13,2 |
| Electron Configuration | [Ar] 3d5 4s2 |
| Electronegativity | 1.55 |
| Enthalpy of Fusion | 14.4 kJ mol-1 |
| Enthalpy of Vaporisation | 220.5 kJ mol-1 |
| Heat Capacity | 26.32 J mol-1 K-1 |
| Thermal Conductivity | 7.81 W m-1 K-1 |
| Thermal Expansion | 21.7 μm m-1 K-1 |
| Magnetic ordering | Non-magnetic |
| Electrical resistivity | 1.44 Ω m |
| Speed of sound | 5150 m s-1 |
| Young's modulus | 198 GPa |
| Bulk modulus | 120 GPa |
| Mohs hardness | 6.0 |
| Brinell hardness | 196 MPa |
| Atomic Radii |
|
| Atomic Radius
|
140 pm |
| Bohr Radius
|
161 pm |
| Covalent Radius
|
139 pm |
| Van der Waals
|
0 pm |
| Oxidation States |
|
| Main
|
Mn+2 |
| Other
|
Mn-3, Mn-2, Mn-1, Mn0, Mn+1, Mn+3, Mn+4, Mn+5, Mn+6, Mn+7 |
Ionisation Energies (kJ mol-1)  |
|
| M - M+ |
717.4 |
| M+ - M2+ |
1509.0 |
| M2+ - M3+ |
3248.4 |
| M3+ - M4+ |
4940 |
| M4+ - M5+ |
6990 |
| M5+ - M6+ |
9200 |
| M6+ - M7+ |
11508 |
| M7+ - M8+ |
18956 |
| M8+ - M9+ |
21400 |
| M9+ - M10+ |
23960 |