DR MARK J. WINTER / SCIENCE PHOTO LIBRARY DR MARK J. WINTER / SCIENCE PHOTO LIBRARY
Sodium chloride lattice, computer artwork. Sodium chloride (common salt) consists of a cubic crystal lattice of sodium (orange) and chlorine (blue) ions and has the chemical formula NaCl. Each positively-charged sodium ion (symbol Na+) is surrounded by six negatively charged chlorine ions (symbol Cl-) and vice versa. The attractions between the positive and negative ions are the bonds that hold the lattice together and give salt its characteristic crystal structure.
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