Answer:
B. Cl.
Explanation:
These are Group 7 elements whose reactivity reduces as you go down the group. Chlorine has a smaller atoms than the rest and has a stronger tendency to grab an electron in its valency shell. This is because its nucleus is closer to the outer electrons than the other elements.
Eh I can't comment
That's y
No-one knows that I enter this site
Only a cousin knows
Cz I've got a protective family lol
Answer:
I would try but i just need points good luck tho