MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Sodium chloride. Ball and stick models of a crystal of sodium chloride (salt) orientated so that the diagonal planes of sodium and chloride ions are not obvious (left) and obvious (right). Atoms are represented as spheres and are colour-coded: sodium (red) and chloride (green).
Model release not required. Property release not required.