Tellurium vs Barium
| Property | Te Tellurium | Ba Barium |
|---|---|---|
| Atomic number | 52 | 56 |
| Symbol | Te | Ba |
| Name | Tellurium | Barium |
| Category | metalloid | alkaline-earth-metal |
| Standard Atomic Weight | 127.6 u | 137.327 u |
| Period | 5 | 6 |
| Group | 16 | 2 |
| Block | p | s |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s24d105p4 | [Xe]6s2 |
| Oxidation states | [-2, -1, 0, 1, 2, 3, 4, 5, 6] | [1, 2] |
| Electronegativity (Pauling) | 2.1 | 0.89 |
| Electron affinity | 1.9708 eV | 0.1447 eV |
| Density | 6232 kg/m³ | 3620 kg/m³ |
| Melting point | 449.51 °C | 726.85 °C |
| Boiling point | 987.85 °C | 1896.85 °C |
| Discovery year | 1782 | 1808 |