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    Zr

    Zirconium

    Transition Metal

    Atomic Number: 40 • Atomic Mass: 91.2240 u • Period: 5 • Group: 4

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d²
    Phase: Solid
    Electronegativity: 1.33
    Yttrium (Y)Niobium (Nb)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Zirconium is the chemical element with the symbol Zr and atomic number 40. 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:Zr
    • Atomic Number:40
    • Atomic Mass:91.2240 u
    • Group:4
    • Period:5
    • Category:Transition Metal
    • Phase at STP:Solid
    • Electronegativity:1.33 (Pauling scale)

    Key Facts

    Fun Fact #1

    Highly resistant to corrosion

    Fun Fact #2

    Gemstone zircon contains zirconium

    Common Uses

    • Nuclear reactors
    • Catalytic converters
    • Ceramics