本题目来源于试卷: Classification of Matter A.1 Periodic Table Elements Classification，类别为 IB化学
[单选题]
The $d$ orbitals of the $[Zn(H_2O)_6]^{2+}$ ion are split into two energy levels.
Why does the $[Zn(H_2O)_6]^{2+}$ ion appear colourless?
A. The separation of the energy levels is larger than the energy of visible light
B. The separation of the energy levels is smaller than the energy of visible light
C. Every d orbital contains a pair of electrons
D. Every d orbital is empty
参考答案: C
本题详细解析:
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