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    Tc

    Technetium

    Transition Metal

    Atomic Number: 43 • Atomic Mass: 98.0000 u • Period: 5 • Group: 7

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d⁵
    Phase: Solid
    Electronegativity: 1.9
    Molybdenum (Mo)Ruthenium (Ru)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Technetium is the chemical element with the symbol Tc and atomic number 43. 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:Tc
    • Atomic Number:43
    • Atomic Mass:98.0000 u
    • Group:7
    • Period:5
    • Category:Transition Metal
    • Phase at STP:Solid
    • Electronegativity:1.9 (Pauling scale)

    Key Facts

    Fun Fact #1

    First artificially produced element

    Fun Fact #2

    No stable isotopes exist

    Common Uses

    • Medical imaging
    • Nuclear medicine
    • Corrosion inhibitors