Sulfur (S): -2 in S, 0 in S8Nitrogen (N): -3 in NH3Aluminum (Al): +3 in Al2O3Magnesium (Mg): +2 in MgSO4
Sulfur (S): -2 in S, 0 in S8
Nitrogen (N): -3 in NH3
Aluminum (Al): +3 in Al2O3
Magnesium (Mg): +2 in MgSO4