Question

In which groups of the modern periodic table are there alkali metals and inert gasas?​

Answer 1

In group 1 or IA there are alkali metals and in group 18 or O there are inert gases

Answer 2

Groups are numbered 1–18 from left to right. The elements in group 1 are known as the alkali metals; those in group 2 are the alkaline earth metals; those in 15 are the pnictogens; those in 16 are the chalcogens; those in 17 are the halogens; and those in 18 are the noble gases.

Hope it helps...