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    Ts

    Tennessine

    Halogen

    Atomic Number: 117 • Atomic Mass: 294.0000 u • Period: 7 • Group: 17

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p⁵
    Phase: Solid
    Electronegativity: 2.1
    Livermorium (Lv)Oganesson (Og)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Physical & Chemical Properties

    Physical Properties

    • •Expected to be a solid at room temperature
    • •Predicted to have metallic properties despite being in halogen group
    • •Extremely radioactive and unstable
    Melting Point

    623 K (349.85 °C, 661.73 °F)

    Boiling Point

    883 K (609.85 °C, 1129.73 °F)

    Density

    7.2 g/cm³

    Electronegativity

    2.1 (Pauling scale)

    Chemical Properties

    • •Expected to be less reactive than other halogens
    • •May exhibit some metallic properties due to relativistic effects
    • •Chemistry largely theoretical due to extremely short half-life

    Electron Configuration

    1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p⁵

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