Chapter 2 - Chapter 2 Atoms Molecules and Ions A periodic...

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Page 23 Chapter 2: Atoms, Molecules, and Ions A periodic table is required to work many of the problems in this chapter. 1. In a cathode ray tube A) electrons pass from the anode to the cathode. B) electrons pass from the cathode to the anode. C) protons pass from the anode to the cathode. D) protons pass from the cathode to the anode. Ans: B Category: Medium Section: 2.2 2. The elements in a column of the periodic table are known as 3. Which of the following elements is most likely to be a good conductor of electricity? 4. An anion is defined as 5. The scientist who determined the magnitude of the electric charge of the electron was A) John Dalton. D) Henry Moseley. B) Robert Millikan. E) R. Chang. C) J. J. Thomson. Ans: B Category: Easy Section: 2.2 6. When J. J. Thomson discovered the electron, what physical property of the electron did he measure? 7. Which of the following scientists developed the nuclear model of the atom?
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