Back to Elements
    Te

    Tellurium

    Metalloid

    Atomic Number: 52 • Atomic Mass: 127.6000 u • Period: 5 • Group: 16

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁴
    Phase: Solid
    Electronegativity: 2.1
    Antimony (Sb)Iodine (I)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Occurrence

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

    • 72nd most abundant element in Earth's crust (0.001 ppm)
    • Occasionally found as native element
    • Often associated with gold and silver telluride minerals
    • Main minerals include calaverite, sylvanite, and nagyagite
    • Present in some copper and lead ores