An aromatic ring is a cyclic structure in organic chemistry that contains alternating single and double bonds, which allows for a stable arrangement of electrons. This stability is due to a phenomenon called resonance, where electrons are delocalized across the ring, contributing to its unique properties. Aromatic compounds often have distinct smells, hence the term "aromatic." The most common example of an aromatic ring is benzene, which consists of six carbon atoms arranged in a hexagonal shape, with one hydrogen atom attached to each carbon. Aromatic rings are important in various fields, including pharmaceuticals, dyes, and polymer chemistry, due to their chemical stability and reactivity.