| Gadolinium | |
| Electron Configuration | 2,8,18,25,9,2 |
| Electron Configuration | [Xe]] 4f7 5d1 6s2 |
| Electronegativity | 1.2 |
| Enthalpy of Fusion | 15.5 kJ mol-1 |
| Enthalpy of Vaporisation | 301 kJ mol-1 |
| Heat Capacity | 37.03 J mol-1 K-1 |
| Thermal Conductivity | 10.6 W m-1 K-1 |
| Thermal Expansion | 9.4 μm m-1 K-1 |
| Magnetic ordering | Ferromagnetic |
| Electrical resistivity | 1.310 Ω m |
| Speed of sound | 2680 m s-1 |
| Young's modulus | 54.8 GPa |
| Shear modulus | 2680 GPa |
| Bulk modulus | 37.9 GPa |
| Poisson ratio | 0.259 |
| Vickers hardness | 570 MPa |
Atomic Radii |
|
| 180 pm | |
| 233 pm | |
| 161 pm | |
| 0 pm | |
Oxidation States |
|
| Gd+2, Gd+3 | |
Ionisation Energies (kJ mol-1) ![]() |
|
| 592.5 | |
| 1167 | |
| 1990 | |
| 4250 | |