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:When an axon is at rest, the concentration of ions…Which of the following ions is isoelectronic with…An element X has electron configuration 1s² 2s² 2p6…If the electron configuration of an element is p1s²…During the same interval, it is observed that a…