TEST BANK FOR CHEMISTRY FOR TODAY
GENERAL ORGANIC AND BIOCHEMISTRY 9TH
EDITION SEAGER COMPLETE TEST BANK 2024-
2025 | UPDATE VERIFIED |BRAND NEW!!
TEST BANK
,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 CaOx
ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
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
3. The symbols for elements with accepted names
, a. consistof 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
4. A molecular formula
a. is representedusing 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
, Chapter 02 - Atoms and Molecules
HAS VARIABLES: False
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 carbon 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
7. Refer to a periodic table and tell how many helium atoms (He) would be needed to
get close to thesame 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
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
GENERAL ORGANIC AND BIOCHEMISTRY 9TH
EDITION SEAGER COMPLETE TEST BANK 2024-
2025 | UPDATE VERIFIED |BRAND NEW!!
TEST BANK
,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 CaOx
ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
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
3. The symbols for elements with accepted names
, a. consistof 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
4. A molecular formula
a. is representedusing 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
, Chapter 02 - Atoms and Molecules
HAS VARIABLES: False
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 carbon 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
7. Refer to a periodic table and tell how many helium atoms (He) would be needed to
get close to thesame 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
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
