Place the following in order of decreasing magnitude of lattice energy.
K2O Rb2S Li2O
A) Li2O > K2O > Rb2S
B) Li2O > Rb2S > K2O
C) Rb2S > K2O > Li2O
D) Rb2S > Li2O > K2O
E) K2O > Li2O > Rb2S
Answer: A
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