Back to Elements
    Og

    Oganesson

    Noble Gas

    Atomic Number: 118 • Atomic Mass: 294.0000 u • Period: 7 • Group: 18

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p⁶
    Phase: Solid
    Electronegativity: 2
    Tennessine (Ts)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Oganesson is the chemical element with the symbol Og and atomic number 118. It belongs to the Noble Gas group and is located in period 7 of the periodic table. It exists as a solid under standard conditions.

    Basic Information

    • Symbol:Og
    • Atomic Number:118
    • Atomic Mass:294.0000 u
    • Group:18
    • Period:7
    • Category:Noble Gas
    • Phase at STP:Solid
    • Electronegativity:2 (Pauling scale)

    Key Facts

    Fun Fact #1

    Named after Yuri Oganessian

    Fun Fact #2

    Heaviest element ever created

    Fun Fact #3

    May not behave like other noble gases due to relativistic effects

    Common Uses

    • Scientific research
    • Understanding superheavy elements
    • Studying limits of periodic table