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H-F has the highest dipole moment. It's the differences in Electronegativity. F has the highest electronegative value possible against H which has a resonable electronegative value Electronegativity is in simple terms the ability of atoms to attract electrons, this increase along a period but dicrease down a group.-C C-H C-O H-N H-F I know the answer is H-F but I dont understand how that is...dipole moments are throwing me off.
Polarity is determined by the dipole-dipole moment about a molecule. If a molecule has ligands (atoms bonded to it) that are different in their electronegativity, such as CH3C â¦ l, it will be very polar. molecule like CH4, (methane), will be nonpolar. All the ligands attached to carbon have the same electronegativity, so there is no difference in dipole around carbon.