anonymoususer123 anonymoususer123 03-10-2018 Chemistry contestada Which of the following is the electron configuration of an electrically neutral atom of argon (Ar)? (a) 1s² 2s² 2p5 (b) 1s² 3d¹⁰ 4f⁷ (c) 1s² 2s² 2p⁶ 3s² 3s⁶ (d) 1s² 2s1