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daurea829 daurea829
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6 years ago
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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