Radon vs Rutherfordium
| Property | Rn Radon | Rf Rutherfordium |
|---|---|---|
| Atomic number | 86 | 104 |
| Symbol | Rn | Rf |
| Name | Radon | Rutherfordium |
| Category | noble-gas | transition-metal |
| Standard Atomic Weight | 222 u | 263 u |
| Period | 6 | 7 |
| Group | 18 | 4 |
| Block | p | s |
| Phase at STP | gas | solid |
| Electron configuration | [Xe]6s24f145d106p6 | [Rn]7s25f146d2 |
| Oxidation states | [0, 2, 6] | [3, 4] |
| Electronegativity (Pauling) | N/A | N/A |
| Electron affinity | -0.7 eV | 0.65 eV |
| Density | 9.73 kg/m³ | 2.330000e+4 kg/m³ |
| Melting point | -71.15 °C | 2126.85 °C |
| Boiling point | -61.7 °C | 5526.85 °C |
| Discovery year | 1900 | 1964 |