阿摩線上測驗
26. How many resonance structures does the
have?
(A)0
(B)1
(C)2
(D)3
(E)4
答案：登入後查看
統計： A(0), B(1), C(1), D(2), E(0) #2788674
統計： A(0), B(1), C(1), D(2), E(0) #2788674