Question

inert or noble gases have zero valency ​

Answer 1

Answer:

yes any other thing ......

Answer 2

Answer:

1. in the atoms of the inert gas elements (zero group elements ),all the electronic shells including the outermost shell, are completely filled
2. the electronic configuration is stable, & these elements do not lose or gain\accept electrons. These elements do not take part in any chemical reaction
3. Hence, these elements are gases, they are called noble gases or inert gas