what test is commonly used to determine if a compound is ionic or covalent.

题目

what test is commonly used to determine if a compound is ionic or covalent.
最好英文中文回答都有
what test is commonly used to determine if a compound is ionic or covalent and what would be its results?
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能不能再讲清楚点
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答案

what test is commonly used to determine if a compound is ionic or covalent and what would be its results?
什么实验通常用于决定一个化合物是离子键或共价键且它的结果是什么?
当一种化合物可以在水溶液中发生电离时,也就是有离子存在时这种化合物就含离子键或是这种化合物由离子构成,这就是离子化合物,它都含离子键.由同种 非金属元素组成的单质或化合物含共价键,但除了个别情况,如becl就不是离子化合物,它是共价化合物.
英文不会翻译了.