Does polar or nonpolar confuse you even as a chemistry teacher? No worries, I’ll show you the easiest way you’ve ever seen to explain this to your students. You’re already an expert, but after this, you’ll feel like an expert too.

If you’ve ever had a student come up to you and explain they don’t know how to tell if a compound is ionic or covalent, teach them this hack. It’s quick, easy, and painless.

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