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Tellurium
Metalloids · Group 16 · Period 5
Atomic properties
| Atomic number | 52 |
|---|---|
| Symbol | Te |
| Standard atomic weight | 127.60 |
| Classification | Metalloids |
| Group | 16 |
| Period | 5 |
| Block | p-block |
| Electron configuration | [Kr] 4d10 5s2 5p4 |
| Electronegativity (Pauling) | 2.10 |
| Common oxidation states | +6, +4, -2 |
Physical properties
| Phase at 20 °C | Solid |
|---|---|
| Density | 6.24 g/cm³ |
| Melting point | 449.51 °C |
| Boiling point | 988 °C |
| Discovered | 1782 |
| CAS number | — |