Lithium vs Zirconium
| Property | Li Lithium | Zr Zirconium |
|---|---|---|
| Atomic number | 3 | 40 |
| Symbol | Li | Zr |
| Name | Lithium | Zirconium |
| Category | alkali-metal | transition-metal |
| Standard Atomic Weight | 6.9675 u | 91.224 u |
| Period | 2 | 5 |
| Group | 1 | 4 |
| Block | s | s |
| Phase at STP | solid | solid |
| Electron configuration | [He]2s1 | [Kr]5s24d2 |
| Oxidation states | [1] | [1, 2, 3, 4] |
| Electronegativity (Pauling) | 0.98 | 1.33 |
| Electron affinity | 0.61804 eV | 0.426 eV |
| Density | 534 kg/m³ | 6520 kg/m³ |
| Melting point | 180.5 °C | 1854.85 °C |
| Boiling point | 1341.85 °C | 4408.85 °C |
| Discovery year | 1817 | 1789 |