The following ions have the same electron configuration exceptย  \(_{8}\)O,ย \(_{12}\)Mg,ย \(_{13}\)AI,ย \(_{17}\)CI

Home ยป Past Questions ยป Chemistry ยป Waec ยป 2021 ยป The following ions have the same electron configuration exceptย  \(_{8}\)O,ย \(_{12}\)Mg,ย \(_{13}\)AI,ย \(_{17}\)CI