Question

the group with valency zero​

Answer 1

Answer:

Noble gases have valency 0 because these elements cannot loose or gain electrons. The electrons are fully filled in the sub-shells of these elements. hence, the valency of these elements is 0. These elements belong to the last group of periodic table which is Group 18.

thank you for more answer follow me guys

please Mark as brilliant

Answer 2

Answer:

18th group of noble i.e inhert gases have the valency zero and are stable without going into any reaction.So they do not form ions.They have valency zero as their octet is already completed and thus do not react with other compounds.