Test Bank for Chemistry 10th Edition Zumdahl Full Chapters Complete Questions and Answers.

Test Bank for Chemistry 10th Edition Zumdahl Full Chapters Complete Questions and Answers. Chapter 02 - Atoms, Molecules, and Ions Copyright Cengage Learning. Powered by Cognero. Page 1 1. The first people to attempt to explain why chemical changes occur were a. alchemists b. metallurgists c. physicians d. physicists e. the Greeks ANSWER: e POINTS: 1 DIFFICULTY: Easy REFERENCES: 2.1 QUESTION TYPE: Multi-Mode (Multiple choice) HAS VARIABLES: False KEYWORDS: Chemistry | early atomic theory | general chemistry OTHER: Conceptual DATE CREATED: 3/4/2016 4:31 PM DATE MODIFIED: 3/4/2016 4:31 PM 2. The Greeks proposed that matter consisted of four fundamental substances: a. fire, earth, water, air b. fire, metal, water, air c. earth, metal, water, air d. atoms, fire, water, air e. atoms, metal, fire, air ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: 2.1 QUESTION TYPE: Multi-Mode (Multiple choice) HAS VARIABLES: False KEYWORDS: Chemistry | early atomic theory | general chemistry OTHER: Conceptual DATE CREATED: 3/4/2016 4:31 PM DATE MODIFIED: 3/4/2016 4:31 PM 3. The first chemist to perform truly quantitative experiments was a. Paracelsus b. Boyle c. Priestly d. Bauer e. Lavoisier ANSWER: b DOWNLOAD THE Test Bank for Chemistry 10th Edition Zumdahl Chapter 02 - Atoms, Molecules, and Ions Copyright Cengage Learning. Powered by Cognero. Page 2 POINTS: 1 DIFFICULTY: Easy REFERENCES: 2.1 QUESTION TYPE: Multi-Mode (Multiple choice) HAS VARIABLES: False KEYWORDS: Chemistry | early atomic theory | general chemistry OTHER: Conceptual DATE CREATED: 3/4/2016 4:31 PM DATE MODIFIED: 3/4/2016 4:31 PM 4. The scientist who discovered the law of conservation of mass and is also called the father of modern chemistry is a. Proust b. Boyle c. Priestly d. Bauer e. Lavoisier ANSWER: e POINTS: 1 DIFFICULTY: Easy REFERENCES: 2.2 QUESTION TYPE: Multi-Mode (Multiple choice) HAS VARIABLES: False KEYWORDS: Chemistry | general chemistry | general concepts | Law of Conservation of Mass | matter OTHER: Conceptual DATE CREATED: 3/4/2016 4:31 PM DATE MODIFIED: 3/4/2016 4:31 PM 5. Which of the following pairs of compounds can be used to illustrate the law of multiple proportions? a. NH4 and NH4Cl b. ZnO2 and ZnCl2 c. H2O and HCl d. NO and NO2 e. CH4 and CO2 ANSWER: d POINTS: 1 DIFFICULTY: Easy REFERENCES: 2.2 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DOWNLOAD THE Test Bank for Chemistry 10th Edition Zumdahl Chapter 02 - Atoms, Molecules, and Ions Copyright Cengage Learning. Powered by Cognero. Page 3 KEYWORDS: atomic theory of matter | Chemistry | Dalton's atomic theory | early atomic theory | general chemistry OTHER: Conceptual DATE CREATED: 3/4/2016 4:31 PM DATE MODIFIED: 3/4/2016 4:31 PM 6. Which of the following pairs can be used to illustrate the law of multiple proportions? a. SO and SO2 b. CO and CaCO3 c. H2O and C12H22O11 d. H2SO4 and H2S e. KCl and KClO2 ANSWER: a POINTS: 1 DIFFICULTY: Easy REFERENCES: 2.2 QUESTION TYPE: Multiple Choice HAS VARIABLES: False KEYWORDS: atomic theory of matter | Chemistry | early atomic theory | general chemistry OTHER: Conceptual DATE CREATED: 3/4/2016 4:31 PM DATE MODIFIED: 3/4/2016 4:31 PM 7. According to the law of multiple 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. e. None of these. ANSWER: e POINTS: 1 DIFFICULTY: Easy REFERENCES: 2.2 QUESTION TYPE: Multiple Choice HAS VARIABLES: False KEYWORDS: atomic theory of matter | Chemistry | Dalton's atomic theory | early atomic theory | general chemistry OTHER: Conceptual DATE CREATED: 3/4/2016 4:31 PM DATE MODIFIED: 3/4/2016 4:31 PM DOWNLOAD THE Test Bank for Chemistry 10th Edition Zumdahl Chapter 02 - Atoms, Molecules, and Ions Copyright Cengage Learning. Powered by Cognero. Page 4 8. A sample of chemical X is found to contain 5.0 grams of oxygen, 10.0 grams of carbon, and 20.0 grams of nitrogen. The law of definite proportion would predict that a 75 gram sample of chemical X should contain how many grams of carbon? a. 5.0 grams b. 7.5 grams c. 10. grams d. 15 grams e. 21 grams ANSWER: e POINTS: 1 DIFFICULTY: Moderate REFERENCES: 2.2 QUESTION TYPE: Multi-Mode (Multiple choice) HAS VARIABLES: True KEYWORDS: atomic theory of matter | Chemistry | Dalton's atomic theory | early atomic theory | general chemistry OTHER: Quantitative DATE CREATED: 3/4/2016 4:31 PM DATE MODIFIED: 3/4/2016 4:31 PM 9. Consider the following two compounds: H2O and H2O2 . According to the law of multiple proportions, the ratio of hydrogen atoms per gram of oxygen in H2O to hydrogen atoms per gram of oxygen in H2O2 is a. 1:1 b. 2:1 c. 1:2 d. 2:2 e. 4:1 ANSWER: b POINTS: 1 DIFFICULTY: Moderate REFERENCES: 2.2 QUESTION TYPE: Multi-Mode (Multiple choice) HAS VARIABLES: False KEYWORDS: atomic theory of matter | Chemistry | Dalton's atomic theory | early atomic theory | general chemistry OTHER: Conceptual.