How many of the following molecules contain polar covalent bonds? and Old Bonded Warehouses

How many of the following molecules contain polar covalent bonds?

O3, P8, NO, CO2, CH4

I know that NO has a polar covalent bond, but is that all?


Bond best answer:

Answer by Jimmymac
NO and CO2
NO is also overall polar.
CO2 is overall non-polar: because of the linear/symmetrical shape of the molecule the bond polarities cancel

Bond

Old Bonded Warehouses


Image by Phil Thirkell
The old bonded warehouses on Hanover Street, Newcastle after the fire(s!!) and before the renovation work to convert them to apartments.

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