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    Rh

    Rhodium

    Transition Metal

    Atomic Number: 45 • Atomic Mass: 102.9100 u • Period: 5 • Group: 9

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s¹ 4d⁸
    Phase: Solid
    Electronegativity: 2.28
    Ruthenium (Ru)Palladium (Pd)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Occurrence

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

    • One of the rarest elements in Earth's crust (0.0001 ppm)
    • Always found with other platinum group metals
    • Present in platinum ores and copper-nickel sulfide ores
    • Major deposits in South Africa's Bushveld complex
    • Also found in the Ural Mountains, North and South America