Question

You are given an element 35\17 x. (a) find the number of protons ,electrons and neutrons in element x. (b) what is the valency of x? (c) write down the chemical formula of the compound formed when it combines with carbon and sodium.

Answer 1

13 is the answer

I hope this will help you

Answer 2

heYa !!!!.......

your answer is 13

thanks