Back to Elements
    Xe

    Xenon

    Noble Gas

    Atomic Number: 54 • Atomic Mass: 131.2900 u • Period: 5 • Group: 18

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶
    Phase: Gas
    Electronegativity: 2.6
    Iodine (I)Cesium (Cs)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Occurrence

    Xenon is found in various natural sources, including minerals, rocks, and the Earth's crust.

    • Rare in Earth's atmosphere (0.087 ppm by volume)
    • Present in some mineral springs
    • Found in gases emitted from certain mineral sources
    • Produced during some nuclear reactions
    • Much more abundant in the universe than on Earth