C onstructing Models As described in Section 2, the
Chapter 3, Problem 33(choose chapter or problem)
C onstructing Models As described in Section 2, the structure of the atom was determined from observations made in painstaking experimental research. Suppose a series of experiments revealed that when an electric current is passed through gas at low pressure, the surface of the cathode-ray tube opposite the anode glows. In addition, a paddle wheel placed in the tube rolls from the anode toward the cathode when the current is on. a. In which direction do particles pass through the gas? b. What charge do the particles possess? 3
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