阿摩線上測驗
4. How many of the following exhibit resonance? O3, OC12, NF3, N2O, CC14, CH3NCO,O2F2
(A) 1
(B) 2
(C) 3
(D) 4
(A) 1
(B) 2
(C) 3
(D) 4
答案：登入後查看
統計： A(0), B(1), C(1), D(0), E(0) #2824269
統計： A(0), B(1), C(1), D(0), E(0) #2824269