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What can you conclude from the deflection of a cathode ray in a magnetic field?A) The ray must be composed of charged particles. B) The ray must be composed of iron. C) The ray must have a positive charge. D) The ray must need to travel in a vacuum. 2.
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Which of the results of Rutherford's gold foil experiments was not consistent with the plum pudding atomic model?A) Most of the alpha particles passed straight through the gold foil. B) Some alpha particles were deflected straight back toward the particle source. C) The paths of alpha particles were only slightly altered by collisions with electrons. D) The zinc sulfide coated screen produced a flash of light whenever it was struck by an alpha particle. 3.
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What properties did Rutherford use in the design of the gold foil experiment?A) alpha particle's negative charge and random distribution of protons B) alpha particle's negative charge and gold foil's positive charge C) alpha particle's positive charge and electron's negative charge D) positively charged electrons distributed in a uniform negative charge 4.
A) proton B) positron C) neutron D) electron 5.
A) neutron B) electron C) positron D) beta particle 6.
A) An electron is about 2000 times more massive than a proton. B) A proton is about 2000 times more massive than an electron. C) A neutron will always be found orbiting the nucleus. D) The nucleus is mostly empty space. 7.
A) Dalton B) Democritus C) Rutherford D) Thomson
