Question

explain the reactivity of element of group 13.14.15 toword air/oxygen with an example eCh​

Answer 1

Answer:

Sodium burns in air with often little more than an orange glow,reacts with oxygen to form Li​2O and burns with a red flame,reacts with oxygen to form Li​2O and burns with a red flame,is obtained by heating boric acid, It rapidly reacts with oxygen in air to give a water-insoluble coating of Al2O3.

Explanation:

hope it us useful.

Answer 2

Explanation:

sodium burns in air and release oxygen which is helpful for human being in breathing and it also helps by animals.