Scandium vs Oganesson
| Property | Sc Scandium | Og Oganesson |
|---|---|---|
| Atomic number | 21 | 118 |
| Symbol | Sc | Og |
| Name | Scandium | Oganesson |
| Category | transition-metal | noble-gas |
| Standard Atomic Weight | 44.955908 u | 294 u |
| Period | 4 | 7 |
| Group | 3 | 18 |
| Block | s | p |
| Phase at STP | solid | gas |
| Electron configuration | [Ar]4s23d1 | [Rn] 7s2 7p6 5f14 6d10(predicted) |
| Oxidation states | [0, 1, 2, 3] | [-1, 0, 1, 2, 4, 6] |
| Electronegativity (Pauling) | 1.36 | N/A |
| Electron affinity | 0.188 eV | 0.056 eV |
| Density | 2990 kg/m³ | 7000 kg/m³ |
| Melting point | 1540.85 °C | -273.15 °C |
| Boiling point | 2835.85 °C | -243.15 °C |
| Discovery year | 1879 | 2006 |