Iron is a silvery-gray metal from the periodic table, and it is part of the transition metals group. Iron is the most abundant metal on Earth, and it is mainly used to make steel, which is used in the construction of buildings and vehicles. Iron is also used in the production of many household items, such as cutlery, pots and pans.
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| Atomic number | 26 |
| Group | VIIIB |
| Period | 4 |
| Mass | 55.845 |
| Latin name | Ferrum |
| Electron configuration | [Ar]3d6 4s2 |
| Oxidation state | -4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7 |