The following ions have the same electron configuration except 8O; 12Mg; 13AI; 17CI by Sunday | Mar 19 | Chemistry WAEC | 0 comments 8O, 12Mg, 13AI, 17CI A. CI− B. O2− C. Mg2+ D. AI3+ Correct Answer: Option A = CI− Users Also Read These:The element with the electron configuration 1s²2s²2p³ is?The number of electronic shells contained in an atom…An element X has electron configuration 1s² 2s² 2p6…Which of the following processes is not exhibited by…An element with the electron configuration of 1s²…