Copper vs Radon
| Property | Cu Copper | Rn Radon |
|---|---|---|
| Atomic number | 29 | 86 |
| Symbol | Cu | Rn |
| Name | Copper | Radon |
| Category | transition-metal | noble-gas |
| Standard Atomic Weight | 63.546 u | 222 u |
| Period | 4 | 6 |
| Group | 11 | 18 |
| Block | s | p |
| Phase at STP | solid | gas |
| Electron configuration | [Ar]4s13d10 | [Xe]6s24f145d106p6 |
| Oxidation states | [-2, 0, 1, 2, 3, 4] | [0, 2, 6] |
| Electronegativity (Pauling) | 1.9 | N/A |
| Electron affinity | 1.235 eV | -0.7 eV |
| Density | 8933 kg/m³ | 9.73 kg/m³ |
| Melting point | 1084.62 °C | -71.15 °C |
| Boiling point | 2561.85 °C | -61.7 °C |
| Discovery year | N/A | 1900 |