Determine the oxidation state of atoms in compounds SO2 HNO3 CO CL O2.

The oxidation state of atoms in compounds:
1) SO2 (sulfur +4; oxygen -2)
2) HNO3 (for hydrogen +1; for nitrogen +5; for oxygen -2)
3) CO (carbon +2; oxygen -2)
4) ClO2 (chlorine +4; oxygen -2)



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