# What is the name of a binary compound made up of MgCl_2?

Well, $M g C {l}_{2}$ is $\text{magnesium chloride............}$
$\text{Magnesium chloride}$ is a salt of composition $M g C {l}_{2}$, with each formula unit comprised of $M {g}^{2 +}$ ion, and $2 \times C {l}^{-}$ ions......