24.Which of the following atom or molecule has three rotational degrees of freedom?
(A) Ar
(B) H2
(C) O2
(D) CO2
(E) NO2
答案:登入後查看
統計: A(1), B(0), C(0), D(0), E(4) #3427024
統計: A(1), B(0), C(0), D(0), E(4) #3427024