Lithium and oxygen give lithium oxide
4Li + O2 → 2Li2O
Calcium and oxygen give calcium oxide
2Ca + O2 → 2CaO
Aluminium and oxygen give aluminium oxide
4Al + 3O2 → 2Al2O3
Fluor and oxygen give oxygen fluoride
2F2 + O2 → 2OF2
Nitrogen and oxygen give dinitrogen trioxide
2N2 + 3O2→ 2N2O3
