阿摩線上測驗
5. Consider the following diatomic species (molecules and ions): 
The number of the species which are diamagnetic is x. The number of the species whose bond order is expected to decrease upon removing an electron is y. What is (x + y)?
(A) 4
(B)5
(C)6
(D)7
(E) 8
(A) 4
(B)5
(C)6
(D)7
(E) 8
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統計： A(0), B(1), C(0), D(1), E(0) #2824270
統計： A(0), B(1), C(0), D(1), E(0) #2824270
