阿摩線上測驗
39. Which of the following metal ions has a d8 electron configuration?
(A) Ni2+
(B) Zn2+
(C) Cr3+
(D) Cu+
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統計： A(8), B(0), C(1), D(0), E(0) #3840049
統計： A(8), B(0), C(1), D(0), E(0) #3840049
