2.下列各種離子晶體,熔點由高而低順序為何?
(A) MgO > LiF > NaCl > RbI
(B) MgO > NaCl > LiF > RbI
(C) MgO > RbI > NaCl > LiF
(D) NaCl > LiF > RbI > MgO
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統計: A(240), B(21), C(36), D(11), E(0) #2176702
統計: A(240), B(21), C(36), D(11), E(0) #2176702