Atomic Radii
Atomic Radius
Bohr Radius
Covalent Radius
Van der Waals
| Tellurium | |
| Electron Configuration | 2,8,18,18,6 |
| Electron Configuration | [Kr] 4d10 5s2 5p4 |
| Electronegativity | 2.1 |
| Enthalpy of Fusion | 13.5 kJ mol-1 |
| Enthalpy of Vaporisation | 104.6 kJ mol-1 |
| Heat Capacity | 25.73 J mol-1 K-1 |
| Thermal Conductivity | 1.97 - 3.38 W m-1 K-1 |
| Thermal Expansion | ? μm m-1 K-1 |
| Magnetic ordering | Non-magnetic |
| Speed of sound | 2610 m s-1 |
| Young's modulus | 43 GPa |
| Shear modulus | 2610 GPa |
| Bulk modulus | 65 GPa |
| Mohs hardness | 2.25 |
| Brinell hardness | 180 MPa |
| Atomic Radii |
|
| Atomic Radius
|
140 pm |
| Bohr Radius
|
123 pm |
| Covalent Radius
|
135 pm |
| Van der Waals
|
206 pm |
| Oxidation States |
|
| Main
|
Te+4 |
| Other
|
Te-2, Te-1, Te0, Te+2, Te+5, Te+6 |
Ionisation Energies (kJ mol-1)  |
|
| M - M+ |
869.2 |
| M+ - M2+ |
1795 |
| M2+ - M3+ |
2698 |
| M3+ - M4+ |
3610 |
| M4+ - M5+ |
5668 |
| M5+ - M6+ |
6822 |
| M6+ - M7+ |
13200 |
| M7+ - M8+ |
15800 |
| M8+ - M9+ |
18500 |
| M9+ - M10+ |
21200 |
| Covalent Bonds (kJ mol-1) |
|
| Te-H
|
240 |
| Te-O
|
268 |
| Te-F
|
335 |
| Te-Cl
|
251 |
| Te-Te
|
235 |