Hafnium is a transition metal from the periodic table. It is a silvery-white and malleable metal with a high melting point. Hafnium is used in some alloys and as a dopant in semiconductor materials. It is also used to make high-temperature resistant alloys and components for the aerospace industry.
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| Atomic number | 72 |
| Group | IVB |
| Period | 6 |
| Mass | 178.49 |
| Latin name | Hafnium |
| Electron configuration | [Xe]4f14 5d2 6s2 |
| Oxidation state | -2, 0, 1, 2, 3, 4 |