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    Hg

    Mercury

    Transition Metal

    Atomic Number: 80 • Atomic Mass: 200.5900 u • Period: 6 • Group: 12

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰
    Phase: Liquid
    Electronegativity: 2
    Gold (Au)Thallium (Tl)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Mercury is the chemical element with the symbol Hg and atomic number 80. It belongs to the Transition Metal group and is located in period 6 of the periodic table. It exists as a liquid under standard conditions.

    Basic Information

    • Symbol:Hg
    • Atomic Number:80
    • Atomic Mass:200.5900 u
    • Group:12
    • Period:6
    • Category:Transition Metal
    • Phase at STP:Liquid
    • Electronegativity:2 (Pauling scale)

    Key Facts

    Fun Fact #1

    Only metal liquid at room temperature

    Fun Fact #2

    Named after the Roman god Mercury

    Common Uses

    • Thermometers
    • Fluorescent lamps
    • Dental amalgams