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    Rf

    Rutherfordium

    Transition Metal

    Atomic Number: 104 • Atomic Mass: 267.0000 u • Period: 7 • Group: 4

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d²
    Phase: Solid
    Electronegativity: 1.3
    Lawrencium (Lr)Dubnium (Db)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Occurrence

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

    • Does not occur in nature
    • Produced in laboratories
    • First synthesized by bombarding californium with carbon ions