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    Hg

    Mercury

    Transition Metal

    Atomic Number: 80 • Atomic Mass: 200.5900 u • Period: 6 • Group: 12

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰
    Phase: Liquid
    Electronegativity: 2
    Gold (Au)Thallium (Tl)
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    Physical & Chemical Properties

    Physical Properties

    • •Silver-white liquid
    • •Poor conductor of heat
    • •Good conductor of electricity
    Melting Point

    -38.83 K (-311.98 °C, -529.56 °F)

    Boiling Point

    356.73 K (83.58 °C, 182.44 °F)

    Density

    13.5336 g/cm³

    Electronegativity

    2 (Pauling scale)

    Chemical Properties

    • •Forms amalgams with many metals
    • •Two common oxidation states
    • •Low reactivity with air

    Electron Configuration

    1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰

    Electron configuration describes how electrons are distributed in atomic orbitals, showing how they are arranged in energy levels and subshells.