= Resonance structure
= Resonance form
{synonym}
= Resonance contributor
{synonym}
A <resonance structure> is one <Lewis structure> contributing to a <chemical resonance> description. The contributors retain the same <atomic nuclei> in the same positions, the same connections, and the same total <valence electron> count and <electric charge>; allocations of <bond pairs>, <lone pairs>, and <formal charges> differ. They are alternative representations of one electronic structure, not distinct substances with different atomic arrangements. See https://openstax.org/books/chemistry-2e/pages/7-4-formal-charges-and-resonance[Chemistry 2e, 7.4: resonance forms].
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