alikhanismyusername alikhanismyusername 17-05-2021 Chemistry contestada What is the electron configuration of the chlorine atom after it gains an electron? Multiple choice question. A) 1s22s22p63s23p5 B) 1s22s22p6 C) 1s22s22p63s23p64s1 D) 1s22s22p63s23p6