試卷名稱:105年 - 105 台灣聯合大學系統_學士班轉學生考試試題:普通化學#124917
年份:105年
科目:轉學考-普通化學
20. From the following list of observations, choose the one that most clearly supports the conclusion that electrons in atoms have quantized energies.
(A) the emission spectrum of hydrogen
(B) the photoelectric effect
(C) the scattering of alpha particles by metal foil
(D) diffraction
(E) cathode "rays"