Niobium is a chemical element from the periodic table. It is a soft, ductile, gray-white transition metal. Niobium is used in the production of specialty steel alloys and superconductors, and is also used to make stainless steel and non-ferrous alloys. It is also used to make jewelry and decorative items.
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| Atomic number | 41 |
| Group | VB |
| Period | 5 |
| Mass | 92.90638 |
| Latin name | Niobium |
| Electron configuration | [Kr]4d4 5s |
| Oxidation state | -3, -1, 0, 1, 2, 3, 4, 5 |