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    He

    Helium

    Noble Gas

    Atomic Number: 2 • Atomic Mass: 4.0026 u • Period: 1 • Group: 18

    Electron Configuration: 1s²
    Phase: Gas
    Electronegativity: 0
    Hydrogen (H)Lithium (Li)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Applications

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

    • Balloons
    • Cooling superconducting magnets
    • Deep-sea diving mixtures