7) Which one of the following is the CORRECT combination for the ionic compounds arranged in order of increasing lattice energy?
A. CsI < NaCl < MgO < ScN
B. NaCl < CsI < ScN < CaO
C. ScN < MgO < NaCl < CsI
D. CsI < ScN < NaCl < MgO
E. MgO < NaCl < CsI < ScN
E. MgO < NaCl < CsI < ScN
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