TEST BANK FOR CHEMISTRY FOR TODAY GENERAL ORGANIC AND BIOCHEMISTRY 9TH EDITION SEAGER COMPLETE TEST BANK UPDATE VERIFIED BY EXPERTS |BRAND NEW!!

Copyright Cengage Learning. Powered by Cognero. Page 1 mynursytest.store TEST BANK FOR CHEMISTRY FOR TODAY GENERAL ORGANIC AND BIOCHEMISTRY 9TH EDITION SEAGER COMPLETE TEST BANK 2023 -2024 UPDATE VERIFIED BY EXPERTS |BRAND NEW!! Chapter 02 - Atoms and Molecules 1. Why is CaO the symbol for calcium oxide instead of CAO? a. both can be the symbols for calcium oxide b. both are incorrect; the symbol is cao c. a capital letter means a new symbol d. both are incorrect as the symbol should be CaO x ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/4/2016 3:37 PM DATE MODIFIED: 3/4/2016 3:37 PM 2. What is the meaning of the two (2) in ethyl alcohol, C2H5OH? a. all alcohol molecules contain two carbon atoms b. there are two carbon atoms per molecule of ethyl alcohol c. carbon is diatomic d. all of these are correct statements ANSWER: b POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/4/2016 3:37 PM DATE MODIFIED: 3/4/2016 3:37 PM 3. The symbols for elements with accepted names Copyright Cengage Learning. Powered by Cognero. Page 2 mynursytest.store a. consist of a single capital letter. b. consist of a capital letter and a small letter. c. consist of either a single capital letter or a capital letter and a small letter. d. No answer is correct. ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/4/2016 3:37 PM DATE MODIFIED: 3/4/2016 3:37 PM 4. A molecular formula a. is represented using the symbols of the elements in the formula. b. is represented using a system of circles that contain different symbols. c. cannot be represented conveniently using symbols for the elements. d. is represented using words rather than symbols. ANSWER: a POINTS: 1 QUESTION TYPE: Multiple Choice Copyright Cengage Learning. Powered by Cognero. Page 3 mynursytest.store DOWNLOAD THE Test Bank for Chemistry for Today General Organic and Biochemistry 9th Edition Seager Chapter 02 - Atoms and Molecules HAS VARIABLES: False DATE CREATED: 3/4/2016 3:37 PM DATE MODIFIED: 3/4/2016 3:37 PM 5. Which of the following uses the unit of "u" or “amu”? a. atomic weights of atoms b. relative masses of atoms c. molecular weights of molecules d. more than one response is correct ANSWER: d POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/4/2016 3:37 PM DATE MODIFIED: 3/4/2016 3:37 PM 6. What is meant when the symbol C-12 (or 12C) is used? a. the carbon atom weighs 12 grams b. the carbo n atom weighs 12 pounds c. the carbon atom weighs 12 amu d. the melting point of carbon is 12°C ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/4/2016 3:37 PM DATE MODIFIED: 3/4/2016 3:37 PM 7. Refer to a periodic tabl e and tell how many helium atoms (He) would be needed to get close to the same mass as an average oxygen atom (O). a. six b. four c. twelve d. one-fourth ANSWER: b POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/4/2016 3:37 PM DATE MODIFIED: 3/4/2016 3:37 PM 8. Determine the molecular weight of hydrogen peroxide, H2O2, in u (or amu). a. 17.01 b. 18.02 c. 34.02 d. 33.01 Copyright Cengage Learning. Powered by Cognero. Page 4 mynursytest.store ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/4/2016 3:37 PM DATE MODIFIE D: 3/4/2016 3:37 PM 9. Using whole numbers, determine the molecular weight of calcium hydroxide, Ca(OH) 2.