Identify the ground-state electron configuration for Mg²⁺. A)1s²2s²2p⁶3s² B)1s²2s²2p⁶ C)1s²2s²2p⁶3s²3p² D)1s²2s²2p⁶3s²3p⁶ E)1s²2s²2p⁶3s¹

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Mg has an atomic number of 12, so its neutral electron configuration is 1s² 2s² 2p⁶ 3s². When it loses two electrons to form Mg²⁺, the electrons are removed from the outermost shell, resulting in the configuration 1s² 2s² 2p⁶.

Identify the Ground-State Electron Configuration for Mg2+

Identify the Ground-State Electron Configuration for Mg²⁺