What Is the Ground-State Electronic Configuration of a Magnesium Cation

question 5

Multiple Choice

What is the ground-state electronic configuration of a magnesium cation (Mg²⁺) ?

• A)1s², 2s², 2p⁶
• B)1s², 2s², 2p⁶, 3s¹
• C)C^. 1s², 2s², 2p⁶, 3s²
• D)D^. 1s², 2s², 2p⁶, 3s², 3p²

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