Gallium vs Tellurium
| Property | Ga Gallium | Te Tellurium |
|---|---|---|
| Atomic number | 31 | 52 |
| Symbol | Ga | Te |
| Name | Gallium | Tellurium |
| Category | post-transition-metal | metalloid |
| Standard Atomic Weight | 69.723 u | 127.6 u |
| Period | 4 | 5 |
| Group | 13 | 16 |
| Block | p | p |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s23d104p1 | [Kr]5s24d105p4 |
| Oxidation states | [-5, -4, -3, -2, -1, 0, 1, 2, 3] | [-2, -1, 0, 1, 2, 3, 4, 5, 6] |
| Electronegativity (Pauling) | 1.81 | 2.1 |
| Electron affinity | 0.3 eV | 1.9708 eV |
| Density | 5910 kg/m³ | 6232 kg/m³ |
| Melting point | 29.76 °C | 449.51 °C |
| Boiling point | 2203.85 °C | 987.85 °C |
| Discovery year | 1875 | 1782 |