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Chapter 2 Review MC Questions - Student (1)

Chapter 2 Review MC Questions - Student (1) - ADVANCED...

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ADVANCED PLACEMENT CHEMISTRY 2011/12 CHAPTER 2 REVIEW – Atoms, Molecules and Ions Chapter Highlights - development of atomic models – Dalton, Thompson, Rutherford, and Bohr - arrangement of the Periodic Table according to families - Families and their properties - nomenclature of ionic and covalent compounds, acids, and hydrates 1. According to the law of definite proportions: A) if the same two elements form two different compounds, they do so in the same ratio. B) it is not possible for the same two elements to form more than one compound. C) the ratio of the masses of the elements in a compound is always the same. D) the total mass after a chemical change is the same as before the change. 2. Which of the following pairs of compounds can be used to illustrate the law of multiple proportions? 3. Which of the following statements from Dalton's atomic theory is no longer true, according to modern atomic theory?
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