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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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