WAEC - Chemistry (2021 - No. 38)
The following ions have the same electron configuration except
\(_{8}\)O, \(_{12}\)Mg, \(_{13}\)AI, \(_{17}\)CI
CI\(^{-}\)
O\(^{2-}\)
Mg\(^{2+}\)
AI\(^{3+}\)
The following ions have the same electron configuration except
\(_{8}\)O, \(_{12}\)Mg, \(_{13}\)AI, \(_{17}\)CI