If one electron is added to the outer shell of chlorine, it would have the same electron configuration as what element
A) Sulfur
B) Argon
C) Bromine
D) Potassium
E) None of the above

Question

Quizplus · Accepted Answer

Chlorine (Cl) has an atomic number of 17, meaning it has 17 electrons. By adding one electron, it would have 18 electrons, which is the same number of electrons as argon (Ar), a noble gas with a stable electron configuration.

If One Electron Is Added to the Outer Shell of Chlorine