Back to Elements
    Ca

    Calcium

    Alkaline Earth

    Atomic Number: 20 • Atomic Mass: 40.0780 u • Period: 4 • Group: 2

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²
    Phase: Solid
    Electronegativity: 1
    Potassium (K)Scandium (Sc)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Applications

    Calcium has a wide range of applications in various industries, including:

    • Construction (cement, concrete)
    • Food additive
    • Dietary supplement