## Chemistry: The Central Science (13th Edition)

$ZrO_{2}$ is an ionic solid.
$ZrO_{2}$ is composed of a $Zr^{2+}$ cation and an $O^{2-}$ anion, meaning it is an ionic solid. Moreover, it has a high melting point (2677$^{\circ}$C), a quality shared by ionic solids.