How does electronegativity affect dipole moment?

Answer 1

See below.

Dipole moment is a measure of the total dipole strength of all the dipoles in a molecule; the greater the dipole moment, the higher the electronegativity difference. Dipoles are formed when one element in a bond has a higher electronegativity (tendency to attract electrons) than another. The electronegativity difference has to be more than 0.3.

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Answer 2

Ella Allen

Electronegativity difference between atoms increases dipole moment in a molecule.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.