試題詳解

14. An important observation that led Bohr to formulate his model of the hydrogen atom was the fact that .
(A) the emission of light by an atom did not appear to conserve energy.
(B) electrons were found to have a wave nature.
(C) the peak of the blackbody radiation moved to shorter wavelengths as the temperature was increased.
(D) neutrons formed a diffraction pattern when scattered from a nickel crystal.
(E) a low density gas emitted a series of sharp spectral lines.