Answer:
Resonance structure are the combination of the two lewis structure which together describes the electronic bonding i.e. a fractional bond and a fractional charge.
Explanation:
Resonance structure are the combination of the two lewis structure which together describes the electronic bonding i.e. a fractional bond and a fractional charge. They are often used to show the lone pairs or even the double bonds on atoms. When there are different ways of drawing lewis structure the resonance structure arises so as to satisfy the octet rule. Again there is resonance effect which descries the polarity that has been generated through the interaction between the molecules of lone pair and pi bond.