Iron
Element, Occurrence, Uses, Properties, & Compounds
iron (Fe), chemical element, metal of Group 8 (VIIIb) of the periodic table, the most-used and cheapest metal.
| atomic number | 26 |
|---|---|
| atomic weight | 55.847 |
| melting point | 1,538 °C (2,800 °F) |
| boiling point | 3,000 °C (5,432 °F) |
| specific gravity | 7.86 (20 °C) |
| oxidation states | +2, +3, +4, +6 |
| electron configuration | [Ar]3d64s2 |
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