Remember that the lattice arrangement is giant - for example ... This is why solid ionic compounds form crystals with regular shapes.

Remember that the lattice arrangement is giant - for example ... This is why solid ionic compounds form crystals with regular shapes.

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 ...