- 2S+3O2→2SO3{2}{S} + {3}{O}_{2} → {2}{S}{O}_{3}
- S+O2→SO2{S} + {O}_{2} → {S}{O}_{2}
- P+O2→P2O5{P} + {O}_{2} → {P}_{2}{O}_{5}
- P+O2→P2O3{P} + {O}_{2} →{P}_{2}{O}_{3}