What is the definition of a resonance structure?

Question

Quizplus · Accepted Answer

Resonance structures refer to the different possible ways to draw the Lewis structure of a molecule or ion that occur due to the delocalization of electrons within the molecule or ion. These structures differ only in the placement of π and nonbonding electrons, while the location of bonds remains the same. Choice A is incorrect because resonance structures may have different numbers of atoms and different molecular formulas, as long as they have the same connectivity of atoms. Choice B is incorrect because resonance structures may have the same carbon framework. Choice D is incorrect because, while the location of bonds may differ between different structures, this does not define resonance structures.

What Is the Definition of a Resonance Structure