Zn+O2=ZnO2
Zn+H2=ZnH2
fe+o2=2FeO
2Fe+H2=2FeH
2Cu+O2=2Cuo
Cu+H2=CuH2
K+O2=K2O
2K+H2=2KH
Cs+O2=CO2+SO2
Cs+H2=H2S+CH4
H2S+O2=SO2+H2O
4Na+O2=2Na2O
Na+H2=2NaH
Zn+O2=ZnO2
Zn+H2=ZnH2
fe+o2=2FeO
2Fe+H2=2FeH
2Cu+O2=2Cuo
Cu+H2=CuH2
K+O2=K2O
2K+H2=2KH
Cs+O2=CO2+SO2
Cs+H2=H2S+CH4
H2S+O2=SO2+H2O
4Na+O2=2Na2O
Na+H2=2NaH