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    Dy

    Dysprosium

    Lanthanide

    Atomic Number: 66 • Atomic Mass: 162.5000 u • Period: 6 • Group: 101

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁰
    Phase: Solid
    Electronegativity: 1.22
    Terbium (Tb)Holmium (Ho)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Dysprosium is the chemical element with the symbol Dy and atomic number 66. It belongs to the Lanthanide group and is located in period 6 of the periodic table. It exists as a solid under standard conditions.

    Basic Information

    • Symbol:Dy
    • Atomic Number:66
    • Atomic Mass:162.5000 u
    • Group:101
    • Period:6
    • Category:Lanthanide
    • Phase at STP:Solid
    • Electronegativity:1.22 (Pauling scale)

    Key Facts

    Fun Fact #1

    Name means 'hard to get' in Greek

    Fun Fact #2

    Has highest magnetic strength at low temperatures

    Common Uses

    • Wind turbines
    • Data storage devices
    • Nuclear reactors