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    Gd

    Gadolinium

    Lanthanide

    Atomic Number: 64 • Atomic Mass: 157.2500 u • Period: 6 • Group: 101

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f⁷ 5d¹
    Phase: Solid
    Electronegativity: 1.2
    Europium (Eu)Terbium (Tb)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Gadolinium is the chemical element with the symbol Gd and atomic number 64. 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:Gd
    • Atomic Number:64
    • Atomic Mass:157.2500 u
    • Group:101
    • Period:6
    • Category:Lanthanide
    • Phase at STP:Solid
    • Electronegativity:1.2 (Pauling scale)

    Key Facts

    Fun Fact #1

    Named after scientist Johan Gadolin

    Fun Fact #2

    Has high neutron absorption capacity

    Common Uses

    • MRI contrast agents
    • Nuclear reactors
    • Memory devices