$\Rightarrow AlCl_3$$Al:1s^22s^22p^63s^23p^1$$Cl:1s^22s^22p^63s^23p^5$
http://hoa.hoctainha.vn/Hoi-Dap/Sua/Loi-Giai/7026$\Rightarrow AlCl_3$$Al:1s^22s^22p^63s^23p^1$$Cl:1s^22s^22p^63s^23p^5$
$\Rightarrow AlCl_3$$Al:1s^22s^22p^63s^23p^1$$Cl:1s^22s^22p^63s^23p^5$