The formal charge on each atom can be known by counting up the number of valence electrons that is present on each atom.
The term Lewis structure is the representation of a compound using its symbols and showing the valence electrons as dots. This question is incomplete as the Lewis structures were not shown.
If it is shown, we can know the formal charge on each atom by counting up the number of valence electrons that is present on each atom.
Learn more about Lewis structure: https://brainly.com/question/4144781
