How to distinguish between polar and non-polar molecules/compound? For instance, one that you have not studied before but have to know if its polar or non-polar. Can you distinguish it from the basic structure of the molecule?

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Chemistry

Roselyn Meza

14 October, 04:42

How to distinguish between polar and non-polar molecules/compound? For instance, one that you have not studied before but have to know if its polar or non-polar. Can you distinguish it from the basic structure of the molecule?

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Hadley Sheppard · Answer 1

a molecule is polar if we find electronegativity differences between two differing atoms.

when there is large difference between electronegativity values, the more polar the molecule is.

when the electrons are shared equally between the nuclei. then the molecule is non polar

in Cl2 moleculethere is no no polar bonds because the electron charge is same on both atoms.

It is therefore a nonpolar molecule.

bonds in hydrocarbon molecules, as hexane, C6H 14, are polar,