Digital Test Bank - Chemistry Atoms First,Young

Chapter 02 - Atoms and Elements

1. A certain element consists of two stable isotopes. The first has a mass of 14.0031 amu and a percent natural
abundance of 99.63%. The second has a mass of 15.001 amu and a percent natural abundance of 0.37%. What is
the atomic mass of the element?
a. 13.95 amu
b. 14.00 amu
c. 14.01 amu
d. 14.50 amu
e. 19.50 amu
ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 3/5/2014 6:49 PM

2. The element nitrogen has two stable isotopes, nitrogen-14 with a mass of 14.00 amu and nitrogen-15 with a
mass of 15.00 amu. From the atomic mass of nitrogen on the Periodic Table, one can conclude that:
a. both isotopes have the same percent natural abundance
b. there is an isotope of nitrogen with an atomic mass of 14.01 amu
c. nitrogen-14 has the highest percent natural abundance
d. nitrogen-15 has the highest percent natural abundance
ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 1/12/2017 7:29 AM

3. The element indium has two stable isotopes, indium-113 with an atomic mass of 112.9 amu and indium-115
with an atomic mass of 114.9 amu. From the atomic weight found on the periodic table for indium, one can
conclude that:
a. Indium-113 has the highest percent natural abundance
b. Indium-115 has the highest percent natural abundance
c. Both isotopes have the same percent natural abundance
d. There is an isotope of indium with an atomic mass of 114.8 amu
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 1/12/2017 3:57 AM

4. What is the identity of the transition element in the fourth Row and Group 6B?

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,Chapter 02 - Atoms and Elements

a. Mo
b. Cr
c. W
d. Hf
e. Zr
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 3/5/2014 6:49 PM

5. What is the name of the symbol of the element that is in Group 3A and Period 5?
a. Al
b. In
c. Nb
d. Tl
e. Y
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 1/12/2017 3:59 AM

6. What is the name of the alkali metal that is in Period 5?
a. iodine
b. rubidium
c. strontium
d. xenon
e. yttrium
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 1/12/2017 4:03 AM

7. What is the name of the halogen that is in Period 4?
a. bromine
b. calcium
c. iodine

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,Chapter 02 - Atoms and Elements

d. krypton
e. potassium
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 1/12/2017 4:03 AM

8. What is the name of the halogen in Period 5?
a. Astatine
b. Iodine
c. Strontium
d. Radon
e. Caesium
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 1/11/2017 11:47 PM

9. The symbol and atomic number of the heaviest alkaline earth metal is:
a. Ra and 226
b. Fr and 223
c. Ra and 88
d. Fr and 87
ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 3/5/2014 6:49 PM

th
10. What is the identity of the alkaline earth element in the 6 Period?
a. Cs
b. Ba
c. Am
d. At
e. Rn
ANSWER: b
POINTS: 1

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, Chapter 02 - Atoms and Elements

QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 3/5/2014 6:49 PM

11. What is the identity of the nonmetal in Group 4A?
a. C
b. Si
c. Ge
d. Sn
e. Pb
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 3/5/2014 6:49 PM

12. What is the common name of the group that has a one of its members the element which contains 35 protons
in its nucleus?
a. Alkali metals
b. Alkaline earth metals
c. Transition metals
d. Halogens
e. Noble gases
ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 1/12/2017 4:11 AM

13. The symbol and atomic number of the lightest semi-metal in Group 4A are:
a. C and 6
b. Si and 14
c. Ge and 32
d. Sn and 50
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/5/2014 6:49 PM
DATE MODIFIED: 3/5/2014 6:49 PM
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