Thulium vs Tennessine
| Property | Tm Thulium | Ts Tennessine |
|---|---|---|
| Atomic number | 69 | 117 |
| Symbol | Tm | Ts |
| Name | Thulium | Tennessine |
| Category | lanthanide | halogen |
| Standard Atomic Weight | 168.93422 u | 294 u |
| Period | 6 | 7 |
| Group | N/A | 17 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Xe]6s24f13 | [Rn] 7s2 7p5 5f14 6d10(predicted) |
| Oxidation states | [0, 1, 2, 3] | [-1, 1, 3, 5] |
| Electronegativity (Pauling) | 1.25 | N/A |
| Electron affinity | 1.029 eV | 1.8 eV |
| Density | 9320 kg/m³ | 7200 kg/m³ |
| Melting point | 1544.85 °C | 549.85 °C |
| Boiling point | 1949.85 °C | 609.85 °C |
| Discovery year | 1879 | 2010 |