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    Ru

    Ruthenium

    Transition Metal

    Atomic Number: 44 • Atomic Mass: 101.0700 u • Period: 5 • Group: 8

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s¹ 4d⁷
    Phase: Solid
    Electronegativity: 2.2
    Technetium (Tc)Rhodium (Rh)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Ruthenium is the chemical element with the symbol Ru and atomic number 44. It belongs to the Transition Metal group and is located in period 5 of the periodic table. It exists as a solid under standard conditions.

    Basic Information

    • Symbol:Ru
    • Atomic Number:44
    • Atomic Mass:101.0700 u
    • Group:8
    • Period:5
    • Category:Transition Metal
    • Phase at STP:Solid
    • Electronegativity:2.2 (Pauling scale)

    Key Facts

    Fun Fact #1

    Named after Russia

    Fun Fact #2

    Resistant to most acids

    Common Uses

    • Electronics
    • Chemical catalysts
    • Jewelry