65. How many of the following molecules have all of their atoms in the same plane? H2C=CH2, H2C=C=CH2, CH3COCH3, NH3, CO2, BeCl2
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6
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統計: A(0), B(7), C(6), D(0), E(0) #2911413
統計: A(0), B(7), C(6), D(0), E(0) #2911413