Compare Element Properties
| Property | Hf Hafnium | ? N/A |
|---|---|---|
| Atomic number | 72 | N/A |
| Symbol | Hf | N/A |
| Name | Hafnium | N/A |
| Category | transition-metal | N/A |
| Standard Atomic Weight | 178.49 u | N/A |
| Period | 6 | N/A |
| Group | 4 | N/A |
| Block | s | N/A |
| Phase at STP | solid | N/A |
| Electron configuration | [Xe]6s24f145d2 | N/A |
| Oxidation states | [-2, 0, 1, 2, 3, 4] | N/A |
| Electronegativity (Pauling) | 1.3 | N/A |
| Electron affinity | 0.178 eV | N/A |
| Density | 1.330000e+4 kg/m³ | N/A |
| Melting point | 2232.85 °C | N/A |
| Boiling point | 4602.85 °C | N/A |
| Discovery year | 1911 | N/A |