Back to Elements
    Cl

    Chlorine

    Halogen

    Atomic Number: 17 • Atomic Mass: 35.4500 u • Period: 3 • Group: 17

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁵
    Phase: Gas
    Electronegativity: 3.16
    Sulfur (S)Argon (Ar)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Applications

    Chlorine has a wide range of applications in various industries, including:

    • Water purification
    • Disinfectants
    • PVC production