# What are particles of LiCl (ionic compound) called?

Of course $L i C l$ is a non-molecular material consisting of an infinite array of close packed $L {i}^{+}$ ions, interpenetrated by an infinite array of close packed $C {l}^{-}$ ions (or vice versa). We can't speak of lithium chloride molecules, but we can speak of lithium chloride formula units, and we certainly can speak of $L {i}^{+}$ and $C {l}^{-}$ ions. Capisce?