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    Ho

    Holmium

    Lanthanide

    Atomic Number: 67 • Atomic Mass: 164.9300 u • Period: 6 • Group: 101

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹¹
    Phase: Solid
    Electronegativity: 1.23
    Dysprosium (Dy)Erbium (Er)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Holmium is the chemical element with the symbol Ho and atomic number 67. 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:Ho
    • Atomic Number:67
    • Atomic Mass:164.9300 u
    • Group:101
    • Period:6
    • Category:Lanthanide
    • Phase at STP:Solid
    • Electronegativity:1.23 (Pauling scale)

    Key Facts

    Fun Fact #1

    Named after Stockholm (Holmia in Latin)

    Fun Fact #2

    Has highest magnetic moment of any element

    Common Uses

    • Powerful magnets
    • Nuclear reactors
    • Laser technology