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    Sc

    Scandium

    Transition Metal

    Atomic Number: 21 • Atomic Mass: 44.9560 u • Period: 4 • Group: 3

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹
    Phase: Solid
    Electronegativity: 1.36
    Calcium (Ca)Titanium (Ti)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Overview

    Scandium is the chemical element with the symbol Sc and atomic number 21. It belongs to the Transition Metal group and is located in period 4 of the periodic table. It exists as a solid under standard conditions.

    Basic Information

    • Symbol:Sc
    • Atomic Number:21
    • Atomic Mass:44.9560 u
    • Group:3
    • Period:4
    • Category:Transition Metal
    • Phase at STP:Solid
    • Electronegativity:1.36 (Pauling scale)

    Key Facts

    Fun Fact #1

    Named after Scandinavia

    Fun Fact #2

    More abundant in the sun than on Earth

    Common Uses

    • Aluminum alloys
    • Stadium lighting
    • Sports equipment