Arrange the substances with polar covalent bonds

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Are the bonds in each of the subsequent substances ionic, non polar covalent, or polar covalent? Arrange the substances with polar covalent bonds in order of increasing bond polarity;
(a) KCl (b)P4 (c)BF2(d)SO2(e)Br2(f)NO2

Reference no: EM13670098

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