Nicotine's atomic structure is related to its bonding arrangement. It consists of carbon (C), hydrogen (H), and nitrogen (N) atoms. These atoms are held together by covalent bonds, where electrons are shared between atoms to form stable molecules. In nicotine, carbon atoms form the backbone of the molecule, with hydrogen and nitrogen atoms bonded to them. The covalent bonds between these atoms contribute to the overall stability and structure of nicotine.