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    Ce

    Cerium

    Lanthanide

    Atomic Number: 58 • Atomic Mass: 140.1200 u • Period: 6 • Group: 101

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹ 5d¹
    Phase: Solid
    Electronegativity: 1.12
    Lanthanum (La)Praseodymium (Pr)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Cerium is the chemical element with the symbol Ce and atomic number 58. 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:Ce
    • Atomic Number:58
    • Atomic Mass:140.1200 u
    • Group:101
    • Period:6
    • Category:Lanthanide
    • Phase at STP:Solid
    • Electronegativity:1.12 (Pauling scale)

    Key Facts

    Fun Fact #1

    Named after dwarf planet Ceres

    Fun Fact #2

    Most abundant rare earth element

    Common Uses

    • Self-cleaning ovens
    • Lighter flints
    • Catalytic converters