Lead vs Radon
| Property | Pb Lead | Rn Radon |
|---|---|---|
| Atomic number | 82 | 86 |
| Symbol | Pb | Rn |
| Name | Lead | Radon |
| Category | post-transition-metal | noble-gas |
| Standard Atomic Weight | 207.2 u | 222 u |
| Period | 6 | 6 |
| Group | 14 | 18 |
| Block | p | p |
| Phase at STP | solid | gas |
| Electron configuration | [Xe]6s24f145d106p2 | [Xe]6s24f145d106p6 |
| Oxidation states | [-4, -2, -1, 0, 1, 2, 3, 4] | [0, 2, 6] |
| Electronegativity (Pauling) | 2.33 | N/A |
| Electron affinity | 0.364 eV | -0.7 eV |
| Density | 1.134200e+4 kg/m³ | 9.73 kg/m³ |
| Melting point | 327.46 °C | -71.15 °C |
| Boiling point | 1748.85 °C | -61.7 °C |
| Discovery year | 2021 | 1900 |