Test Bank for General Chemistry 10th Edition by Ebbing Chapter 2 - Atoms, Molecules, and Ions 1. Which of the following is/are postulates of Dalton’s atomic theory? 1. Atoms combine in fixed ratios of whole numbers. 2. Atoms of each element have different properties. 3. Elements occur as solids, liquids, or gases. A) 1 only B) 2 only C) 3 only D) 1 and 2 E) 1, 2, and 3 ANS: D PTS: 1 DIF: easy REF: 2.1 OBJ: List the postulates of atomic theory. TOP: early atomic theory | atomic theory of matter 2. Which of the following statements best describes the particulate representation depicted by the picture? A) The figure is a representation of a gas made up of a single element. B) The figure is a representation of a liquid mixture of two elements. C) The figure is a representation of a molecular solid. D) The figure is a representation of a liquid mixture of two compounds. E) The figure is a representation of a gas of a compound. ANS: A PTS: 1 DIF: moderate REF: 2.1 OBJ: Define element, compound, and chemical reaction in the context of these postulates. TOP: early atomic theory | atomic theory of matter 3. Which of the following is not a correct name–symbol combination? Test Bank General Chemistry, 10th edition 1
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