Answer
The lattice energy for an ionic solid comes from the electrical attractive force interacting among constituting ions. It is known that those electrical forces depend by electrical potential exerted by each ion, so the smaller ionic radius then, the stronger the acting potential.
Work Step by Step
The lattice energy for an ionic solid comes from the electrical attractive force interacting among constituting ions. It is known that those electrical forces depend by electrical potential exerted by each ion, so the smaller ionic radius then, the stronger the acting potential.