Edwards, John O. Department of Chemistry, Brown University, Providence, Rhode Island.
Last reviewed:June 2021
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A chemical element, Fe, atomic number 26, and atomic weight 55.845. Iron is a malleable, tough, silver-gray, magnetic metal. It melts at 1540°C, boils at 2800°C, and has a density of 7.86 g/cm3. The four stable, naturally occurring isotopes have masses of 54, 56, 57, and 58. See also: Magnet; Periodic table; Transition elements
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