Atomic Radii
Atomic Radius
Bohr Radius
Covalent Radius
Van der Waals
| Yttrium | |
| Electron Configuration | 2,8,18,9,2 |
| Electron Configuration | [Kr] 4d1 5s2 |
| Electronegativity | 1.22 |
| Enthalpy of Fusion | 17.2 kJ mol-1 |
| Enthalpy of Vaporisation | 367.4 kJ mol-1 |
| Heat Capacity | 26.54 J mol-1 K-1 |
| Thermal Conductivity | 17.2 W m-1 K-1 |
| Thermal Expansion | 10.6 μm m-1 K-1 |
| Magnetic ordering | No data |
| Electrical resistivity | 596 Ω m |
| Speed of sound | 3300 m s-1 |
| Young's modulus | 63.5 GPa |
| Shear modulus | 3300 GPa |
| Bulk modulus | 41.2 GPa |
| Poisson ratio | 0.243 |
| Brinell hardness | 589 MPa |
| Atomic Radii |
|
| Atomic Radius
|
180 pm |
| Bohr Radius
|
212 pm |
| Covalent Radius
|
162 pm |
| Van der Waals
|
0 pm |
| Oxidation States |
|
| Main
|
Y+3 |
| Other
|
|
Ionisation Energies (kJ mol-1)  |
|
| M - M+ |
616 |
| M+ - M2+ |
1181 |
| M2+ - M3+ |
1980 |
| M3+ - M4+ |
5963 |
| M4+ - M5+ |
7430 |
| M5+ - M6+ |
8970 |
| M6+ - M7+ |
11200 |
| M7+ - M8+ |
12400 |
| M8+ - M9+ |
14137 |
| M9+ - M10+ |
18400 |