$#QLinkVN$

`-` Potassium oxide: `K_{2}O`

`-` Carbon dioxide: `CO_{2}`

`-` Copper (II) oxide: `CuO`

`-` Magnesium oxide: `MgO`

`-` Aluminum oxide: `Al_{2}O_{3}`

`-` Zinc oxide: `ZnO`

`-` Diphosphorus pentoxide: `P_{2}O_{5}`

`-` Iron (III) oxide: `Fe_{2}O_{3}`

`-` Calcium oxide: `CaO`

`-` Iron(II,III) oxide: `Fe_{3}O_{4}`

`-` Nitrogen oxide: `NO`

`-` Sodium oxide: `Na_{2}O`

`-` Sulfur trioxide: `SO_{3}`

`-` Lead (II) oxide: `PbO`

`-` Silicon dioxide: `SiO_{2}`

`-` Dinitrogen pentoxide: `N_{2}O_{5}`

`-` Barium oxide: `BaO`
 
HẾT! (nhiều Tiếng Anh quá)

`+` Potassium oxide: `K_2O`

`+` Carbon dioxide: `CO_{2}`

`+` Copper (II) oxide: `CuO`

`+` Magnesium oxide: `MgO`

`+` Aluminum oxide: `Al_{2}O_{3}`

`+` Zinc oxide: `ZnO`

`+` Diphosphorus pentoxide: `P_{2}O_{5}`

`+` Iron (III) oxide: `Fe_{2}O_{3}`

`+` Calcium oxide: `CaO`

`+` Iron(II,III) oxide: `Fe_{3}O_{4}`

`+` Nitrogen oxide: `NO`

`+` Sodium oxide: `Na_{2}O`

`+` Sulfur trioxide: `SO_{3}`

`+` Lead (II) oxide: `PbO`

`+` Silicon dioxide: `SiO_{2}`

`+` Dinitrogen pentoxide: `N_{2}O_{5}`

`+` Barium oxide: `BaO`

`#begiaphuong`