#26
Fe
Iron
55.845 u

Iron

Transition Metal
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Properties

Symbol Fe
Atomic Number 26
Atomic Mass 55.845
Protons 26
Neutrons 30
Electrons 26
Type Transition Metal
Isotopes Iron-54, Iron-56, Iron-57, Iron-58
Discovery Year Prehistoric
Discovered By Unknown
Group 8
Period 4
Boiling Point 5182°F
Melting Point 2800°F
Electron Configuration [Ar] 3d⁶ 4s²
Density (g/cm³) 7.874
Crystal Structure Body-centered cubic
Magnetism Ferromagnetic
Abundance in Earth's Crust 5.0%
Phase at Room Temperature Solid
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