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    Ni

    Nickel

    Transition Metal

    Atomic Number: 28 • Atomic Mass: 58.6930 u • Period: 4 • Group: 10

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸
    Phase: Solid
    Electronegativity: 1.91
    Cobalt (Co)Copper (Cu)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    History

    Nickel has been known since ancient times

    Historical Timeline

    Discovered by Swedish mineralogist Axel Fredrik Cronstedt in 1751

    Miners called it 'kupfernickel' (devil's copper) because it resembled copper ore but yielded no copper

    Used in coins and alloys well before its discovery as an element