Atomic Radii
Atomic Radius
Bohr Radius
Covalent Radius
Van der Waals
| Magnesium | |
| Electron Configuration | 2,8,2 |
| Electron Configuration | [Ne] 3s2 |
| Electronegativity | 1.31 |
| Enthalpy of Fusion | 9.04 kJ mol-1 |
| Enthalpy of Vaporisation | 127.6 kJ mol-1 |
| Heat Capacity | 24.869 J mol-1 K-1 |
| Thermal Conductivity | 156 W m-1 K-1 |
| Thermal Expansion | 24.8 μm m-1 K-1 |
| Magnetic ordering | Paramagnetic |
| Electrical resistivity | 43.9 Ω m |
| Speed of sound | 4940 m s-1 |
| Young's modulus | 45 GPa |
| Shear modulus | 4940 GPa |
| Bulk modulus | 45 GPa |
| Poisson ratio | 0.29 |
| Mohs hardness | 2.5 |
| Brinell hardness | 260 MPa |
| Atomic Radii |
|
| Atomic Radius
|
150 pm |
| Bohr Radius
|
145 pm |
| Covalent Radius
|
130 pm |
| Van der Waals
|
173 pm |
| Oxidation States |
|
| Main
|
Mg+2 |
| Other
|
|
Ionisation Energies (kJ mol-1)  |
|
| M - M+ |
737.7 |
| M+ - M2+ |
1450.7 |
| M2+ - M3+ |
7732.6 |
| M3+ - M4+ |
10540 |
| M4+ - M5+ |
13630 |
| M5+ - M6+ |
17995 |
| M6+ - M7+ |
21703 |
| M7+ - M8+ |
25656 |
| M8+ - M9+ |
31642 |
| M9+ - M10+ |
35461 |