Fl

    Flerovium

    Post Transition

    Atomic Number: 114 • Atomic Mass: 289.0000 u • Period: 7 • Group: 14

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p²
    Phase: Liquid

    Physical & Chemical Properties

    Physical Properties

    • May be a liquid or gas at room temperature
    • Expected to be more volatile than lead
    • Relativistic effects may cause unusual physical behaviors
    Melting Point

    70 K (-203.15 °C, -333.67 °F)

    Boiling Point

    150 K (-123.15 °C, -189.67 °F)

    Density

    14 g/cm³

    Chemical Properties

    • May behave differently than other group 14 elements
    • Relativistic effects may make it chemically inert
    • Predicted to have unique chemical properties

    Electron Configuration

    1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p²

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