Test 1 - 1) What is the physical state in which matter has...

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1) What is the physical state in which matter has no specific shape but does have a specific volume? A) gas B) ice C) liquid D) salts E) solid Answer: C Page Ref: Sec. 1.2 2) Which one of the following is a pure substance? A) elemental copper B) milk C) wood D) concrete E) salt water Answer: A Page Ref: Sec. 1.2 3) Which one of the following is not a physical property of water? A) It is clear and colorless. B) Water exists in solid, liquid and gaseous forms. C) It reacts rapidly with potassium metal to form potassium hydroxide. D) It boils at 100 e C at 1 atm pressure. E) It freezes at 0 e C at 1 atm pressure. Answer: C Page Ref: Sec. 1.3 4) The initial or tentative explanation of an observation is called a(n) __________. A) test B) law C) hypothesis D) experiment E) theory Answer: C Page Ref: Sec. 1.3 5) Which of the following is not a physical property of water? A) It can be decomposed into oxygen and hydrogen gases. B) It is a liquid at room temperature. C) It boils at 100 e C at 1 atm pressure. D) It freezes at 0 e C at 1 atm pressure. E) These are all physical properties of water. Answer: A Page Ref: Sec. 1.3 E-1 6) The gold foil experiment performed in Rutherford's lab __________. A) utilized the deflection of beta particles by gold foil B) confirmed the plum-pudding model of the atom C) proved the law of multiple proportions D) led to the discovery of the atomic nucleus E) was the basis for Thompson's model of the atom Answer: D Page Ref: Sec. 2.2 7) Which atom has the smallest number of neutrons? A) carbon-14 B) nitrogen-14 C) oxygen-16 D) neon-20 E) fluorine-19 Answer: B Page Ref: Sec. 2.3 8) An atom of the most common isotope of gold, 197 Au, has __________ protons, __________ neutrons, and __________ electrons. A)
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This note was uploaded on 04/07/2008 for the course CHEM 1100 taught by Professor Dr.guzinski during the Spring '08 term at Western Michigan.

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Test 1 - 1) What is the physical state in which matter has...

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