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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.
A molecule like CO2 may be composed of two dipoles, but it has no dipole moment. This is because the charge is equally distributed amongst the entire molecule. When molecules have an even charge distribution and no dipole moment then they are nonpolar molecules. CO2 is a linear molecule, so our dipoles are symmetrical; the dipoles are equal in magnitude but point in opposite directions.