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Hey everyone. I was taking notes during one of the review sessions today, and I made the following note: "dipole moments occur when you have differences in electronegativity between _____." I never heard what the UA said after that, so I was wondering if anyone could help me fill in the rest of this sentence (and expand on the concept a little). Thanks so much!
Note also that difference in electronegativity could make an entire molecule polar. For instance, NH3 (Ammonia) is polar while CH4 is not due to the contrast in electronegativity differences in the respective molecules.
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