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 ...

Fig. 1 shows some recrystallized plates after etching with a dilute solution of sodium ... W., HIOK, T. Lattice Defects in Silver Chloride Crystals. Nature 157, 19–20 (1946). https ...

A dot and cross diagram for sodium chloride suggests that it is made up of pairs of sodium and chloride ions. It is not. A 3D construction model shows how the ions are arranged in a lattice ...