| name | Hafnium |
| latin | Hafnium |
| french | Hafnium |
| german | Hafnium |
| symbol | Hf |
| proton number | 72 |
| atomic weight | 178.49 |
| Pauling electronegativity | 1.3 |
| electronic configuration | [Xe] 4f145d26s2 1s22s22p63s23p63d104s24p64d105s25p64f145d26s2 |
| melting point | 2506 K, 2233°C, 4051°F |
| boiling point | 4876 K, 4603°C, 8317°F |
| group | 4 |
| period | 6 |
| state (by 20°C) | solid |
| oxidation states | +4 |
| Year of discovery | Discoverers |
| 1923 | Dirk Coster Georg von Hevesy |