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Chemistry 19 Online
OpenStudy (dessyj1):

What makes a molecule polar, is it simply because of the difference of electro negativities between the atoms or is there more to it?

OpenStudy (aaronq):

A molecule is polar when an electric dipole moment is present, this means a separation of charge - which could be partial charges, like in water, or "full" charges like in an ionic bond.

OpenStudy (dessyj1):

How small does the separation of charge have to be in order to classify the molecule as non-polar?

OpenStudy (aaronq):

In terms of electronegativities between atoms, 0.4.

OpenStudy (dessyj1):

Alright. What if I had something like this |dw:1442183618149:dw| I think this is a alcohol that that is polar. Did I express the partial charges correctly?

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