The nature of the oxides of Group 13 elements transitions significantly down the group. Which of the — p Block Elements Chemistry Question

💡 Solution & Explanation

Boron is a non-metal forming the strongly acidic oxide $B_2O_3$. Aluminium forms the amphoteric oxide $Al_2O_3$. Thallium, being highly metallic down the group, forms the purely basic oxide $Tl_2O$.