Bài làm :

$\begin{array}{|c|c|}\hline   \text{CTHH}&\text{Gọi tên}&\text{Phân loại} \\\hline P_2O_5&\text{Điphotpho pentaoxit}&\text{Oxit axit}\\\hline Na_2O&\text{Natri oxit}&\text{Oxit bazơ}\\\hline SO_2&\text{Lưu huỳnh đioxit}&\text{Oxit axit}\\\hline N_2O_5&\text{Đinitơ pentaoxit}&\text{Oxit axit}\\\hline Fe_3O_4&\text{Sắt từ oxit}&\text{Oxit bazơ}\\\hline P_2O_5&\text{Điphotpho pentaoxit}&\text{Oxit axit}\\\hline FeO&\text{Sắt (II) oxit}&\text{Oxit bazơ}\\\hline Fe_2O_3&\text{Sắt (III) oxit}&\text{Oxit bazơ}\\\hline Al_2O_3&\text{Nhôm oxit}&\text{Oxit lưỡng tính }\\\hline CaO&\text{Canxi oxit}&\text{Oxit bazơ }\\\hline NO&\text{Nitơ monooxit}&\text{Oxit trung tính }\\\hline NO_2&\text{Nitơ đioxit}&\text{Oxit axit }\\\hline BaO&\text{Bari oxit}&\text{Oxit bazơ }\\\hline\end{array}$