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Chemistry for Changing Times, 12e (Hill)Chapter 3 Atomic Structure3.1 Multiple Choice Questions1) Which statement best summarizes the general nature of investigations during the 1800srelatedto the acquisition and development of knowledge that provided glimpses into the atomic structure of matter?A) Qualitative observations, although often influenced by ideas related to magic and mysticism, provide glimpses of the structure of matter.B) Quantitative measurements, particularly those related to mass, lead to the formulation of fundamental laws leading to an atomic theory of matter.C) The development and use of electrical probes to study matter lead to experimental evidence for the existence of subatomic particles in atoms.D) The use of new experimental and mathematical techniques provided information concerning the organization of subatomic particles in atoms.Answer: CPage Ref: Sec. 3.12) Electrolysis isA) the production of electrical currents from a battery.B) the decomposition of compounds by electricity.C) the production of cathode rays in vacuum tubes using electricity.D) the conversion of elements into new elements by the use of electricity.Answer: BPage Ref: Sec. 3.13) The application of electricity to chemical systems provided much of the experimental evidence for the existence of subatomic particles. With respect to the use of electricity in probing matter, which one of the following scientists wouldNOTbe grouped with the others?4) Ions areA) charged atoms (or groups of atoms).B) electrons.C) neutrons.D) electrodes.Answer: APage Ref: Sec. 3.11

5) A cationis a6) Electrolytes are important substances in the chemistry of living systems. An electrolyteis a compound that7) Cathode rays are beams ofA) anions.B) electrons.C) neutrons.D) protons.Answer: BPage Ref: Sec. 3.18) By measuring the deflection of cathode rays in electrical and magnetic fields, J.J. Thomson was able to determine the