How to draw the lewis structure for O3 and identify the Major contributor? because it has resonance structure. Also, my teacher said if the formal charge are same in lewis structure, we should pick the O- to be the Major, but what if we see an example that one O- and O+ appear in the resonance structure. Should we pick the O- to be Major contributor or the O+?
first of all one should know the total valence electrons of each atom and then whole molecule. Based on this total no of electrons you have to arrange them as shown in the picture. Here one oxygen is having +1 charge another oxygen is carrying -1 charge. Valency of oxygen is 2 but according to the lewis structure, it should be as your teacher said. And here nothing to pick one oxygen. Hope you understand.
Please go through some YouTube videos because there are thousands of teachings were available.
Thank you and good luck.
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