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    Pt

    Platinum

    Transition Metal

    Atomic Number: 78 • Atomic Mass: 195.0800 u • Period: 6 • Group: 10

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s¹ 4f¹⁴ 5d⁹
    Phase: Solid
    Electronegativity: 2.28
    Iridium (Ir)Gold (Au)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Platinum is the chemical element with the symbol Pt and atomic number 78. It belongs to the Transition Metal group and is located in period 6 of the periodic table. It exists as a solid under standard conditions.

    Basic Information

    • Symbol:Pt
    • Atomic Number:78
    • Atomic Mass:195.0800 u
    • Group:10
    • Period:6
    • Category:Transition Metal
    • Phase at STP:Solid
    • Electronegativity:2.28 (Pauling scale)

    Key Facts

    Fun Fact #1

    Named after 'little silver' in Spanish

    Fun Fact #2

    Often found with other platinum group metals

    Common Uses

    • Catalytic converters
    • Jewelry
    • Laboratory equipment