Fe - +3N - +5O - -2H - +1
Fe in Fe(NO3)3: +3N in Fe(NO3)3: +5O in Fe(NO3)3: -2
Fe in FeO: +2O in FeO: -2
Fe in NO: +2N in NO: +2O in NO: -2
H in H2O: +1O in H2O: -2
Fe - +3
N - +5
O - -2
H - +1
Fe in Fe(NO3)3: +3
N in Fe(NO3)3: +5
O in Fe(NO3)3: -2
Fe in FeO: +2
O in FeO: -2
Fe in NO: +2
N in NO: +2
O in NO: -2
H in H2O: +1
O in H2O: -2