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    Ne

    Neon

    Noble Gas

    Atomic Number: 10 • Atomic Mass: 20.1800 u • Period: 2 • Group: 18

    Electron Configuration: 1s² 2s² 2p⁶
    Phase: Gas
    Fluorine (F)Sodium (Na)
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    Physical & Chemical Properties

    Physical Properties

    • •Colorless, odorless gas at standard conditions
    • •Emits bright reddish-orange light when electrically charged
    • •Very low boiling and melting points
    • •Low reactivity due to full valence shell
    Melting Point

    24.56 K (-248.59 °C, -415.46 °F)

    Boiling Point

    27.07 K (-246.08 °C, -410.94 °F)

    Density

    0.0008999 g/cm³

    Chemical Properties

    • •Extremely inert and unreactive
    • •No confirmed stable compounds
    • •Does not form chemical bonds under normal conditions
    • •Complete octet in valence shell

    Electron Configuration

    1s² 2s² 2p⁶

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