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How can electronegativity be used to determine bond polarity?

Answer 1

Bonds are classified as either non-polar or polar depending on whether or not there is an electronegativity difference between the atoms they are bonded to. A bond is considered polar only when there is an EN difference between the atoms.

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Answer 2

Brooklyn Barber

Electronegativity is a measure of an atom's ability to attract electrons in a chemical bond. In a bond between two atoms, if there is a large difference in electronegativity, the bond is polar, meaning one atom has a partial negative charge (δ-) and the other has a partial positive charge (δ+). The greater the difference in electronegativity, the more polar the bond.

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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.