本题目来源于试卷: Models of Bonding & Structure B.1 The Ionic Model，类别为 IB化学
[单选题]
Which of the following cannotcannot conduct electricity in a molten state? I.$PC{l_3}$ II.NaCl III.$S{O_2}$
A. I and II only
B. II and III only
C. I, II and III
D. I and III only
参考答案: D
本题详细解析:
Simple molecular covalent structures cannot conduct electricity due to an absence of charged particles. NaCl is an ionic compound that has ions that are free to move when in a molten state.
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