in salt packets…you get the picture. Table salt – as well as the other types of salt – consists of a compound of sodium and chloride ions to make sodium chloride (NaCl if you like chemistry).

Sodium Chloride is an alkali halide with an fcc crystal structure. The basis is two ions, a sodium cation and a chlorine anion. The crystal lattice parameter is 0.563 nm. The diagram shows both a unit ...