Question

give a reason for chemical inertness of Noble gas

Answer 1

The Noble gases are inert in nature because of their completely fullfilled outermost shell therefore they don't need to give or take electrons from any other atom

Hope it helps you ♥♥♥

Answer 2

Noble gases are inert that is they are not chemically active..

the reason is that their valency is zero that is they do not have any unpaired electron in their outermost shell.

an atom reacts with other elements to complete its octec structure or to not have any unpaired electron but in the cases of inert gases or noble gases they already have octec structure.

Hope this helps..

P.S : Could write more but limited it.