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bonding
There is also a flowchart at the bottom of the page.

POLAR MOLECULES
Examples of polar and non-polar molecules

How polar molecules align themselves in an electric field
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Another flowchart that you can use to decide on molecular polarity

(from http://www.chem.uwec.edu/Chem150_F10/elaborations/unit1/unit1-e-polarity.html )
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