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? A) NH 4 and NH 4 Cl D) NO and NO 2 B) ZnO 2 and ZnCl 2 E) CH 4 and CO 2 C) H 2 O and HCl 3. Which of the following statements from Dalton's atomic theory is no longer true, according to modern atomic theory? A) Elements are made up of tiny particles called atoms. B) Atoms are not created or destroyed in chemical reactions. C) All atoms of a given element are identical. D) Atoms are indivisible in chemical reactions. E) All of these statements are true according to modern atomic theory. 4. The first scientist to show that atoms emit any negative particles was A) J. J. Thomson. D) William Thomson. B) Lord Kelvin. E) John Dalton. C) Ernest Rutherford. 5. The scientist whose alpha-particle scattering experiment led him to conclude that the nucleus of an atom contains a dense center of positive charge is A) J. J. Thomson.
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This note was uploaded on 10/05/2011 for the course CHEM 1403 taught by Professor Chen during the Spring '11 term at St. Mary NE.

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

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