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    Th

    Thorium

    Actinide

    Atomic Number: 90 • Atomic Mass: 232.0400 u • Period: 7 • Group: 102

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 6d²
    Phase: Solid
    Electronegativity: 1.3
    Actinium (Ac)Protactinium (Pa)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Applications

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

    • Nuclear fuel
    • Gas mantles
    • Heat-resistant ceramics