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    Cr

    Chromium

    Transition Metal

    Atomic Number: 24 • Atomic Mass: 51.9960 u • Period: 4 • Group: 6

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d⁵
    Phase: Solid
    Electronegativity: 1.66
    Vanadium (V)Manganese (Mn)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Chromium is the chemical element with the symbol Cr and atomic number 24. 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:Cr
    • Atomic Number:24
    • Atomic Mass:51.9960 u
    • Group:6
    • Period:4
    • Category:Transition Metal
    • Phase at STP:Solid
    • Electronegativity:1.66 (Pauling scale)

    Key Facts

    Fun Fact #1

    Named for its colorful compounds

    Fun Fact #2

    Essential trace element for humans

    Common Uses

    • Stainless steel
    • Chrome plating
    • Dyes and pigments