For ________ forms of a molecule or ion,the observed structure is an average of the ________ forms.
A)resonance, covalent
B)resonance, resonance
C)ionic, resonance
D)resonance, ionic
E)resonance, metallic

Question

Quizplus · Accepted Answer

Resonance forms of a molecule or ion represent different arrangements of electrons that can't be described by a single Lewis structure. The observed structure is an average of the resonance forms, meaning that the actual molecule or ion is an intermediate between them. Therefore, the best choice is B: resonance forms, resonance.

For ________ Forms of a Molecule or Ion,the Observed Structure