Hydrogen vs Oganesson
| Property | H Hydrogen | Og Oganesson |
|---|---|---|
| Atomic number | 1 | 118 |
| Symbol | H | Og |
| Name | Hydrogen | Oganesson |
| Category | nonmetal | noble-gas |
| Standard Atomic Weight | 1.007975 u | 294 u |
| Period | 1 | 7 |
| Group | 1 | 18 |
| Block | s | p |
| Phase at STP | gas | gas |
| Electron configuration | 1s1 | [Rn] 7s2 7p6 5f14 6d10(predicted) |
| Oxidation states | [-1, 1] | [-1, 0, 1, 2, 4, 6] |
| Electronegativity (Pauling) | 2.2 | N/A |
| Electron affinity | 0.75419 eV | 0.056 eV |
| Density | 0.08988 kg/m³ | 7000 kg/m³ |
| Melting point | -259.34 °C | -273.15 °C |
| Boiling point | -252.87 °C | -243.15 °C |
| Discovery year | 1766 | 2006 |