Question

What is the ionic compound name for ${\mathrm{Al}}_2{\mathrm{O}}_3$?

Answer 1

• ${\mathrm{Al}}_2{\mathrm{O}}_3$ is an ionic compound that is made up of aluminium $\left({\mathrm{Al}}^{3+}\right)$ and oxide $\left({\mathrm{O}}^{2-}\right)$ ions.
• While writing the name of an ionic compound, the cation name is written first followed by the non-metal anion name.
• So, the ionic compound name ${\mathrm{Al}}_2{\mathrm{O}}_3$ is Aluminum oxide.
• It is commonly called alumina.

Hence, the ionic compound name for ${\mathrm{Al}}_2{\mathrm{O}}_3$ is Aluminum oxide.