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    C

    Carbon

    Nonmetal

    Atomic Number: 6 • Atomic Mass: 12.0110 u • Period: 2 • Group: 14

    Electron Configuration: 1s² 2s² 2p²
    Phase: Solid
    Electronegativity: 2.55
    Boron (B)Nitrogen (N)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    History

    Carbon has been known since ancient times

    Historical Timeline

    Known since prehistoric times in the form of charcoal and soot

    Recognized as an element by Antoine Lavoisier in 1789

    Diamond proven to be pure carbon by Smithson Tennant in 1797

    Fullerenes discovered in 1985, adding new allotropes