| Attribute | Tellurium × | Magnesium × |
|---|---|---|
| Standard state | Solid | Solid |
| Electron affinity (eV) | 1.971 | - |
| Electron configuration | [Kr]5s²4d¹⁰5p⁴ | [Ne]3s² |
| Atomic mass (u) | 127.6 | 24.305 |
| Electronegativity (pauling scale) | 2.1 | 1.31 |
| Oxidation states |
|
|
| Ionization energy (eV) | 9.01 | 7.646 |
| Atomic radius (van der waals) (pm) | 206 | 173 |
| Boiling point (K) | 1261 | 1363 |
| Melting point (K) | 722.66 | 923 |
| Density (g/cm³) | 6.232 | 1.74 |
| Atomic number | 52 | 12 |
| Group name | Metalloid | Alkaline earth metal |
| Discovered (year) | 1782 | 1808 |
| Symbol | Te | Mg |