【判断题】【消耗次数：1】
氯化氢（HCl）溶于水后产生H+和Cl-，所以氯化氢分子是由离子键形成的
①
正确
②
错误
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相关题目
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下列关于离子键的说法中正确的是( )。
①
只有金属和非金属化合时才能形成离子键
②
离子键是有方向性的
③
含有离子键的化合物一定是离子化合物
④
凡是含有离子键的化合物一定含有金属元素
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