Question

which of these is a typical property of a substance that is composed of atoms that are held together by covalent bonds?
it conducts electricity when in solid form.
it conducts electricity when in molten form.
it conducts electricity when it is dissolved in water.
it does not conduct electricity in any form.

Explanation:

共价键形成的物质，没有可自由移动的带电粒子，无论是固态、液态（熔融态）还是溶于水时，通常都不导电。

Answer:

It does not conduct electricity in any form.