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

    Atomic Structure

    Electron Configuration

    1s² 2s² 2p²

    The electron configuration represents the distribution of electrons in atomic orbitals, showing how they are arranged in energy levels and subshells.

    Subatomic Particles

    Protons

    6

    Positive charge

    Neutrons

    6

    No charge

    Electrons

    6

    Negative charge

    Atomic Number & Mass Number

    The atomic number (6) represents the number of protons in the nucleus.

    The mass number (12) is the sum of protons and neutrons in the nucleus.

    Isotopes

    Isotopes are variants of an element that have the same number of protons but different numbers of neutrons.

    ¹²C

    ¹³C

    ¹⁴C

    Stability & Half-Life

    Half-Life Information

    ¹²C and ¹³C are stable, ¹⁴C has a half-life of 5,730 years

    Half-life is the time required for half of the atoms of a radioactive isotope to decay.

    Periodic Table Location

    Period: 2

    Group: 14

    Category: Nonmetal

    The period indicates the main energy level, while the group suggests similar chemical properties.