crzyemo865
10.07.2019 •
Chemistry
Which of the following experimental observations proved that dalton's postulate about the indivisibility of the atom was flawed? a. cathode rays inside the tube deflected towards a negatively charged rod. b. cathode rays inside the tube deflected towards a positively charged rod. c. a few alpha particles bounced back during the scattering experiment. d. all alpha particles went straight during the scattering experiment.
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Ответ:
C. A few alpha particles bounced back during the scattering experiment.
Explanation:
Rutherford's gold foil experiment proved that the center of the atom is dense which caused some of the alpha particles to bounce back. This proved that most of the mass of the atom is located at the center, however, the rest of the atom is empty. It also showed that the center of the atom stores all the positive charges.
Ответ:
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