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When are resonance structures more stable?

Answer 1

They usually just are.

The molecule becomes more stable as a result of the delocalization of electrons within it.

Resonance structures actually cause elements that might otherwise be unstable to become stable. For instance, ozone, which has two opposing charges, starts off as a neutral molecule but eventually becomes stable due to resonance.

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Answer 2

Skylar Alexander

Resonance structures are more stable when they have lower energy, which typically occurs when they distribute the charge or electron density more evenly across the molecule, leading to greater delocalization of electrons. Additionally, resonance structures with fewer formal charges, more covalent bonds, and greater symmetry tend to be more stable.

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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.