Explain, in one or two sentences, why and ions do not appear in the net ionic…

CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance

Problem

Explain, in one or two sentences, why

\mathrm{Na^+}

and

\mathrm{Cl^-}

ions do not appear in the net ionic equation when aqueous

\mathrm{NaOH}

neutralizes aqueous

\mathrm{HCl}