Models of Matter A.3 Electron Configurations (id: d6f9272a4)

本题目来源于试卷: Models of Matter A.3 Electron Configurations，类别为 IB化学

[单选题]
Which of the following does NOT have two valence electrons?

A. Element $Al^+$
B. Element Zn
C. Element Ca
D. Element $Sc^{3+}$


参考答案:  D


本题详细解析:

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