I don't think it will do you any good for me to give you the answers. If you have a specific problem about how to do them try posting that question. You really need to learn to do these yourself.
For starters, Cl has an octet in ClO3^-.
I believe S has an octet in SO2 but check me out on both of those.
Identify the species which obey the octet rule for every atom. (The central atoms are underlined).
a. ClO3- (Cl is underlined)
b. SO2 (S is underlined)
c. NO2+ (N is underlined)
d. NO2 (N is underlined)
e. ClO- (Cl is underlined)
2 answers
SO2