Which one of the ionic compounds below would you expect to have the smallest (least negative) lattice energy? A)MgF₂ B)MgCl₂ C)MgBr₂ D)MgI₂ E)CaI₂

Name: Which one of the ionic compounds below would you expect to have the smallest (least negative) lattice energy? A)MgF 2 B)MgCl 2 C)MgBr 2 D)MgI 2 E)CaI 2
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Quizplus · Accepted Answer

Lattice energy decreases down a group and increases across a period. Iodide is the largest and most polarizable anion, so it will have the smallest lattice energy.

Which One of the Ionic Compounds Below Would You Expect