Copper vs Xenon
| Property | Cu Copper | Xe Xenon |
|---|---|---|
| Atomic number | 29 | 54 |
| Symbol | Cu | Xe |
| Name | Copper | Xenon |
| Category | transition-metal | noble-gas |
| Standard Atomic Weight | 63.546 u | 131.293 u |
| Period | 4 | 5 |
| Group | 11 | 18 |
| Block | s | p |
| Phase at STP | solid | gas |
| Electron configuration | [Ar]4s13d10 | [Kr]5s24d105p6 |
| Oxidation states | [-2, 0, 1, 2, 3, 4] | [0, 2, 4, 6, 8] |
| Electronegativity (Pauling) | 1.9 | 2.6 |
| Electron affinity | 1.235 eV | -0.8 eV |
| Density | 8933 kg/m³ | 5.887 kg/m³ |
| Melting point | 1084.62 °C | -111.79 °C |
| Boiling point | 2561.85 °C | -108.1 °C |
| Discovery year | N/A | 1898 |