Chapter 2 - Atoms, Molecules, and Ions - Questions and Exercises - Questions - Page 83: 2.23

This is due to the strong force of attraction between ionic compounds, which held them in lattice as they are usually solid at room temperature. On the other hand, molecular compounds are held together by relatively weak forces; hence, they are usually not solid at room temperature.

This is due to the strong force of attraction between ionic compounds, which held them in lattice as they are usually solid at room temperature. On the other hand, molecular compounds are held together by relatively weak forces; hence, they are usually not solid at room temperature.