So3 Lewis Structure Formal Charge. Drawing the lewis structure for so 3 sulfur trioxide so 3 is the primary contributer to acid rain in the atomsphere. 6 3 x 6 24.
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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. Remember sulfur is in period 3 and can hold more than 8 valence electrons. In the bottom structure all atoms have a formal charge of zero.
So for oxygen it is 6 6 1 1 and for sulfur it is 6 0 3 3.
So 3 is named sulfur trioxide. It is a form of pollution. So3 has 24 valence electrons. Remember sulfur is in period 3 and can hold more than 8 valence electrons.
