Thulium vs Mercury
| Property | Tm Thulium | Hg Mercury |
|---|---|---|
| Atomic number | 69 | 80 |
| Symbol | Tm | Hg |
| Name | Thulium | Mercury |
| Category | lanthanide | transition-metal |
| Standard Atomic Weight | 168.93422 u | 200.592 u |
| Period | 6 | 6 |
| Group | N/A | 12 |
| Block | s | s |
| Phase at STP | solid | liquid |
| Electron configuration | [Xe]6s24f13 | [Xe]6s24f145d10 |
| Oxidation states | [0, 1, 2, 3] | [-2, 1, 2] |
| Electronegativity (Pauling) | 1.25 | 2 |
| Electron affinity | 1.029 eV | -0.5 eV |
| Density | 9320 kg/m³ | 1.353360e+4 kg/m³ |
| Melting point | 1544.85 °C | -38.83 °C |
| Boiling point | 1949.85 °C | 356.73 °C |
| Discovery year | 1879 | N/A |