阿摩線上測驗
25. Which of the following statements is/are true?
I. John Dalton provided the first experimental support for the atom.
II.Ernest Rutherford proved the existence of a nucleus by shooting positively
charged particles at a thin gold-foil sheet.
III. J. J. Thompson proved that electrons travel in elliptical orbits around the
nucleus.
IV. Energy in an atom is quantized, so when electrons fall to their ground state,
white light can be observed.
(A) I, II
(B) I, III
(C) I, II, III
(D) II, IV
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統計： A(0), B(3), C(1), D(4), E(0) #3577914
統計： A(0), B(3), C(1), D(4), E(0) #3577914
