what-is-the-reason-behind-the-less-endothermic-lattice-energy-of-cabr2-2176-kj-m

Question

What is the reason behind the less endothermic lattice energy of CaBr_{2}  (-2176 kJ/mol) from MgCl_{2} (-2524 kJ/mol)?

Accepted Answer

radius of the ions

Answer

charges of the ions

Answer

both a and b

Answer

none of the above

What is the reason behind the less endothermic lattice energy of CaBr2 (-2176 kJ/mol) from MgCl2 (-2524 kJ/mol)?