Question

What are the ions present in \[\ce{Na2O}\] and \[\ce{MgO}\] compounds?

Answer 1

The ions present in \[\ce{Na2O}\] are \[\ce{Na+}\] and \[\ce{O^{2-}}\] ions and in \[\ce{MgO}\] are \[\ce{Mg^{2+}}\] and  \[\ce{O^{2-}}\] ions.