Question

Define resonance
Don't copy from Google plz

Answer 1

The representation of a real structure as a weighted average of two or more than two contributing structures is called resonance
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The phenomenon in which no single lewis structure conforms completely to the observed facts is called resonance
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Answer 2

${\red{\textbf{Resonance}}}$

It is a way of describing delocalized electrons within certain molecules or polyatomic ions where the bonding cannot be expressed by one single Lewis structure.