Question

3
Write the resonance structures for SO3​

Answer 1

Answer:

When you draw the Lewis structure, you first get the three structures at the top. In each of them, S has a formal charge of +2 and two of the O atoms have formal charges of -1. In each of the three structures in the middle, S has a formal charge of +1 and one of the O atoms has a formal charge of -1.

Answer 2

The resonanace structure of SO3 are in the attachments.