Ionic solids have high melting and boiling points because of the ion-ion forces holding these ions in the structure.
(Ionic solids; have; high melting and boiling points; because of the ion-ion forces) (the ion-ion forces; holding; these ions; L:in the structure)
Ionic solids the ion-ion forces
have holding
high melting and boiling points because of the ion-ion forces
these ions L:in the structure