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    Cu

    Copper

    Transition Metal

    Atomic Number: 29 • Atomic Mass: 63.5460 u • Period: 4 • Group: 11

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d¹⁰
    Phase: Solid
    Electronegativity: 1.9
    Nickel (Ni)Zinc (Zn)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Copper is the chemical element with the symbol Cu and atomic number 29. It belongs to the Transition Metal group and is located in period 4 of the periodic table. It exists as a solid under standard conditions.

    Basic Information

    • Symbol:Cu
    • Atomic Number:29
    • Atomic Mass:63.5460 u
    • Group:11
    • Period:4
    • Category:Transition Metal
    • Phase at STP:Solid
    • Electronegativity:1.9 (Pauling scale)

    Key Facts

    Fun Fact #1

    Used since ancient civilizations

    Fun Fact #2

    Excellent conductor of heat and electricity

    Common Uses

    • Electrical wiring
    • Plumbing
    • Electronics