Question

The element X reacts with Cl₂. The electronic configuration of X could be,

1. 2,6
2. 2,8
3. 2,8,1
4. 2,8,2



Anyone?

Answer 1

2,8,2

Step-by-step explanation:

the element x has to be divalent I.e it has two electrons on its outer shell.

just look at the two at the end of 2,8,2

the compound formed is Xcl2