Question

If an element X has atomic number as 18, then its valency is​

Answer 1

Answer:

Valency of x is 0.

Because it is a noble gas.

Explanation:

I hope this helps you.

Please mark me as brainliest

Answer 2

Explanation:

Aragon atomic no=18

valance electrons=8

valancy=0

Hope this is helpful.

Please follow me, like the answer and mark as brainliest.