a,3Fe+2O2----to--->Fe3O4
2Cu+O2---to---->2CuO
b,C+O2---to-->CO2
4P+5O2---to-->2P2O5
Fe+O2-->FeO
Cu+O2--->CuO
Mg+O2-->MgO
Na+O2-->Na2O
b, Oxit phi kim.
C+O2-->CO2
S+O2-->SO2
P+O2-->P2O5
N+O2-->N2O5
c, Oxit và nước.
Mg(OH)-->MgO+H2O
Fe(OH)2-->FeO+H2O
Cu(OH)-->Cu+H2O
AgOH-->AgO+H2O