Zirconium vs Xenon
| Property | Zr Zirconium | Xe Xenon |
|---|---|---|
| Atomic number | 40 | 54 |
| Symbol | Zr | Xe |
| Name | Zirconium | Xenon |
| Category | transition-metal | noble-gas |
| Standard Atomic Weight | 91.224 u | 131.293 u |
| Period | 5 | 5 |
| Group | 4 | 18 |
| Block | s | p |
| Phase at STP | solid | gas |
| Electron configuration | [Kr]5s24d2 | [Kr]5s24d105p6 |
| Oxidation states | [1, 2, 3, 4] | [0, 2, 4, 6, 8] |
| Electronegativity (Pauling) | 1.33 | 2.6 |
| Electron affinity | 0.426 eV | -0.8 eV |
| Density | 6520 kg/m³ | 5.887 kg/m³ |
| Melting point | 1854.85 °C | -111.79 °C |
| Boiling point | 4408.85 °C | -108.1 °C |
| Discovery year | 1789 | 1898 |