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    Fe

    Iron

    Transition Metal

    Atomic Number: 26 • Atomic Mass: 55.8450 u • Period: 4 • Group: 8

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶
    Phase: Solid
    Electronegativity: 1.83
    Manganese (Mn)Cobalt (Co)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Iron is the chemical element with the symbol Fe and atomic number 26. It belongs to the Transition Metal group and is located in period 4 of the periodic table. It exists as a solid under standard conditions.

    Basic Information

    • Symbol:Fe
    • Atomic Number:26
    • Atomic Mass:55.8450 u
    • Group:8
    • Period:4
    • Category:Transition Metal
    • Phase at STP:Solid
    • Electronegativity:1.83 (Pauling scale)

    Key Facts

    Fun Fact #1

    Most common element on Earth by mass

    Fun Fact #2

    Essential for hemoglobin in blood

    Common Uses

    • Steel production
    • Construction
    • Manufacturing