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    Be

    Beryllium

    Alkaline Earth

    Atomic Number: 4 • Atomic Mass: 9.0122 u • Period: 2 • Group: 2

    Electron Configuration: 1s² 2s²
    Phase: Solid
    Electronegativity: 1.57
    Lithium (Li)Boron (B)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Applications

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

    • X-ray windows
    • Aerospace components
    • Nuclear reactors