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:Which of the following processes is not exhibited by…The number of electronic shells contained in an atom…During the same interval, it is observed that a…The element with the electron configuration 1s²2s²2p³ is?When an axon is at rest, the concentration of ions…