Strontium vs Tennessine
| Property | Sr Strontium | Ts Tennessine |
|---|---|---|
| Atomic number | 38 | 117 |
| Symbol | Sr | Ts |
| Name | Strontium | Tennessine |
| Category | alkaline-earth-metal | halogen |
| Standard Atomic Weight | 87.62 u | 294 u |
| Period | 5 | 7 |
| Group | 2 | 17 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s2 | [Rn] 7s2 7p5 5f14 6d10(predicted) |
| Oxidation states | [1, 2] | [-1, 1, 3, 5] |
| Electronegativity (Pauling) | 0.95 | N/A |
| Electron affinity | 0.052 eV | 1.8 eV |
| Density | 2640 kg/m³ | 7200 kg/m³ |
| Melting point | 776.85 °C | 549.85 °C |
| Boiling point | 1381.85 °C | 609.85 °C |
| Discovery year | 1792 | 2010 |