Question

Zn + О2 =

Na + О2 =

АІ + О2=

Mg + О2 =

Ag(I) + О2 =

Сr(ІІІ) + О2=

Answer 1

Zn+O2=ZnO2;
4Na+O2=2Na2O;
4Al+3O2=2Al2O3;
2Mg+O2=2MgO;
2Ag+O2=2AgO;
4Cr+3O2=2Cr2O3;

Answer 2

1)Zn+O2=ZnO2
2)Na+O2=NaO2
3)Al+O2=AlO2
4)Mg+O2=MgO2
5)2Ag+O2=2AgO
6)4Cr+3O2=2Cr2O3........