下列说法正确的是(    ) A.用乙醇或CCl4可提取碘水中的碘单质 B.N

下列说法正确的是   

A.用乙醇或CCl4可提取碘水中的碘单质

B.NaClSiC晶体溶化时,克服粒子间作用力的类型相同

C. 24Mg32S晶体中电子总数与中子总数之比为11

D. H2SSiF4分子中各原子最外层都满足8电子结构

答案

C

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