FeCl3: Fe +3 CL - 1
PCl3: P +5 CL - 1
P2O3: P +3 O - 2
N2O3: N+3 O-2
NO2: N +4 O - 2
MnO: Mn +2 O - 2
CrO3: Cr +6 O-2
CO2: C+4 O - 2
Cl2O7: CL +7 O -2
HBr:H+1 Br-1
PH3: P -3 H+1
NaH: Na+1 H-1
HNO3: H+1 N+5 O-2
H3PO4: H+1 P+5 O-2
Na2SO4: Na+1 S+6 O-2
K3PO4: K+1 P+5 O-2
K2MnO4: K+1 Mn+6 O-2
FeCl3: Fe +3 CL - 1
PCl3: P +5 CL - 1
P2O3: P +3 O - 2
N2O3: N+3 O-2
NO2: N +4 O - 2
MnO: Mn +2 O - 2
CrO3: Cr +6 O-2
CO2: C+4 O - 2
Cl2O7: CL +7 O -2
HBr:H+1 Br-1
PH3: P -3 H+1
NaH: Na+1 H-1
HNO3: H+1 N+5 O-2
H3PO4: H+1 P+5 O-2
Na2SO4: Na+1 S+6 O-2
K3PO4: K+1 P+5 O-2
K2MnO4: K+1 Mn+6 O-2