Which of the following compounds has the highest lattice energy? A) CaO B) CsI C) BaS D) NaF E) NaCl
lattice energy = strongest bonding, i.e. strongest electrongativity difference
A)
CaO = 1.3-3.5 = -2.2
CsI = 0.8 - 2.7 = -1.9
BaS = 0.9-2.5 = -1.6
NaF = 0.9 - 4 0 -3.1
NaCl = 0.9 - 3= -2.1
strongest lattice if NaF
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