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    Ge

    Germanium

    Metalloid

    Atomic Number: 32 • Atomic Mass: 72.6300 u • Period: 4 • Group: 14

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p²
    Phase: Solid
    Electronegativity: 2.01
    Gallium (Ga)Arsenic (As)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Occurrence

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

    • Relatively rare element, constituting about 0.00014% of Earth's crust
    • Rarely found in high concentration
    • Present in certain zinc ores, particularly sphalerite
    • Also found in germanite and argyrodite minerals
    • Trace amounts in coal ash and certain copper ores