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Chemistry  /  Chem 1011  ·  Atom · ~20 seconds

Resonance Structures Are Contributing Forms

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Every resonance structure for one molecule contributes to a single averaged real structure, with bond lengths intermediate between the drawn extremes.

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Ozone's two oxygen-oxygen bonds measure identical in length, both intermediate between a single and a double bond.

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No resonance structure by itself is the molecule's true structure; each is only one contributing sketch toward the average.