Question

how many electrons does chrlorine have and why?

Answer 1

17 total, and 7 e\(^-\) in it's 3rd valence shell

Answer 2

if you look at you periodic table it will tell you the no of electrons. first shell holds 2 then its 8 in each after that up to the elements total number. the group that chlorine is found in are all missing 1 electron in their outer shell