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    Cn

    Copernicium

    Transition Metal

    Atomic Number: 112 • Atomic Mass: 285.0000 u • Period: 7 • Group: 12

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰
    Phase: Liquid
    Electronegativity: 1.3
    Roentgenium (Rg)Nihonium (Nh)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    History

    Copernicium has been known since ancient times

    Historical Timeline

    Created in laboratory

    Formally named in 2010