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Check the electronegativities of the atoms in the bond. The bond will be polar if there is a difference in electronegativity. The most electronegative element will attract the bonding eletrons to it becoming slightly negatively charged. The other end of the bond will become slightly positively charged. For example a bond between carbon and chlorine, C-Cl:

C electronegativity 2.55

Cl electronegativity 3.16

The bond will be polar because of the difference in electronegativity, and Cl will be slightly negative, carbon slightly positive.

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11y ago
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12y ago

Polar=distinguishable + and - sides

non-polar=neutral or completely + or completely -

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Q: How can you tell if a bond bond is polar or non-polar?
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