-Oxit :

+`NO_2:` nito dioxit

+`CO:` cacbon monoxit

+`FeO:` sắt (II) oxit

+`MgO:` magie oxit

-axit :

`H_2SO_4:` axit sunfuric

`HBr:` axit bromhidric

`H_2S:` hidro sunfua

`H_2SO_3:` axit sunfit

-Bazo:

`Mg(OH)_2:` magie hidroxit

`Cu(OH)_2:` đồng (II) hidroxit

-Muối :

`KHCO_3:` kali hidrocacbonat

`Ca(HSO_4)_2:` canxi hidrosunfat

`Ca_3(PO_4)_2:` canxi photphat

`Ba(H_2PO_4)_2`: bari dihidrophotphat

- Oxit:

+ Oxit axit: $NO_2$( Nitơ đioxit).

+ Oxit bazơ: $FeO$( Sắt II oxit) , $MgO$( Magie oxit).

+ Oxit trung tính: $CO$( Cacbon monoxit).

- Bazơ: $Mg(OH)_2$( Magie hiđroxit) , $Cu(OH)_2$( Đồng II hiđroxit).

- Muối:

+ Muối axit: $KHCO_3$( Kali hiđrocacbonat) , $Ca(HSO_4)_2$( Canxi hiđrosunfat) , $Ba(H_2PO_4)_2$( Bari đihiđrophotphat).

+ Muối trung hòa: $Na_2SO_4$( Natri sunfat) , $Ca_3(PO_4)_2$( Canxi photphat).

- Axit: $H_2SO_4$( Axit sunfuric) , $HBr$( Axit bromhiđric) , $H_2S$( Hiđro sunfua) , $H_2SO_3$( Axit sunfurơ).