Which, if any, is the ground-state electron configuration for Mg²⁺ A) [Ne] or 1s²2s²2p⁶ B) [Ar] or 1s²2s²2p⁶ C) 1s²2s²2p⁶3s² D) [Ne]3s²3p² or 1s²2s²2p⁶3s²3p² E) None of the above

Question

Quizplus · Accepted Answer

Mg²⁺ has lost two electrons from its neutral state, so its electron configuration is the same as that of the noble gas neon, which is [Ne] or 1s²2s²2p⁶.

Which, If Any, Is the Ground-State Electron Configuration for Mg2+

Which, If Any, Is the Ground-State Electron Configuration for Mg²⁺