CHEM2 Chemistry in Your World 2nd Edition by Hogg – Test Bank
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Sample Test
Chapter 03
MULTIPLE CHOICE
1. Which
combination of individual and contribution is not correct?
|
a. |
Antoine Lavoisier – clarified confusion
over cause of burning |
|
b. |
John Dalton – proposed atomic theory |
|
c. |
Marie Curie – discovered radium and
polonium |
|
d. |
Robert Millikan – discovered the
neutron |
ANS: D
2. John
Dalton did his research work in which of the following countries?
|
a. |
France |
|
b. |
Greece |
|
c. |
Russia |
|
d. |
England |
ANS: D
3. Which
radiation type has no detectable charge?
|
a. |
alpha |
|
b. |
beta |
|
c. |
gamma |
|
d. |
both alpha and beta |
ANS: C
4. Which
radiation type was shown to be identical to N electron?
|
a. |
alpha |
|
b. |
beta |
|
c. |
gamma |
|
d. |
None are identical to an electron. |
ANS: B
5. Rutherford’s
foil experiment provided evidence for what atomic feature?
|
a. |
nucleus |
|
b. |
electron |
|
c. |
proton |
|
d. |
neutron |
ANS: A
6. Which
subatomic particle has the incorrect charge indicated?
|
a. |
proton – positive |
|
b. |
electron – negative |
|
c. |
neutron – neutral |
|
d. |
nucleus – neutral |
ANS: D
7. In
the atom represented by the symbol 23Na,
there are
|
a. |
11 protons, 11 electrons, 23 neutrons. |
|
b. |
12 protons, 12 electrons, 23 neutrons. |
|
c. |
11 protons, 11 electrons, 12 neutrons. |
|
d. |
12 protons, 12 electrons, 34 neutrons. |
ANS: C
8. What
is the symbol for a neutral atom with 7 protons, 7 electrons, and 8 neutrons?
|
a. |
Si |
|
b. |
P |
|
c. |
Ne |
|
d. |
N |
ANS: D
9. Which
of the following is not included with a periodic table entry?
|
a. |
atomic number |
|
b. |
mass number |
|
c. |
atomic weight |
|
d. |
symbol |
ANS: B
10.
What element is used to define the atomic mass unit scale?
|
a. |
hydrogen |
|
b. |
oxygen |
|
c. |
neon |
|
d. |
carbon |
ANS: D
11.
What is the main color of visible light emitted by neon?
|
a. |
yellow |
|
b. |
orange-red |
|
c. |
blue |
|
d. |
green |
ANS: B
12.
Sunburn and some forms of skin cancer are caused by what kind of
light?
|
a. |
infrared, IR |
|
b. |
gamma, g |
|
c. |
microwave |
|
d. |
ultraviolet, UV |
ANS: D
13.
Which statement is true about the speed of photons and light
waves?
|
a. |
Red light is slower than blue light. |
|
b. |
Each color travels at a different
speed. |
|
c. |
All travel at the same speed. |
|
d. |
The longer the wavelength is the lower
the speed. |
ANS: C
14.
Which of the following has the longest wavelength?
|
a. |
radio waves |
|
b. |
X-rays |
|
c. |
visible light |
|
d. |
ultraviolet |
ANS: A
15.
The third energy level can hold a maximum of how many electrons?
|
a. |
0 |
|
b. |
3 |
|
c. |
9 |
|
d. |
18 |
ANS: D
16.
What is the number of valence electrons in phosphorus (P) with
an electron configuration of 2-8-5?
|
a. |
13 |
|
b. |
8 |
|
c. |
5 |
|
d. |
15 |
ANS: C
17.
Which electron configuration is inconsistent with the Bohr
model?
|
a. |
2-8-1 |
|
b. |
2-6 |
|
c. |
2-8-9 |
|
d. |
2-8-8 |
ANS: C
18.
Which color of light carries the most energy per photon?
|
a. |
blue |
|
b. |
green |
|
c. |
orange |
|
d. |
red |
ANS: A
19.
The term atom was
first used by
|
a. |
Dalton. |
|
b. |
Rutherford. |
|
c. |
Democritus. |
|
d. |
Lavoisier. |
ANS: C
20.
Who was the first person to propose a consistent modern atomic
theory?
|
a. |
Democritus |
|
b. |
Lavoisier |
|
c. |
Proust |
|
d. |
Dalton |
ANS: D
21.
Carbon dioxide (CO2)
always has the same formula. What principle does this illustrate?
|
a. |
law of electric neutrality |
|
b. |
law of conservation of matter |
|
c. |
law of definite proportions |
|
d. |
no particular law |
ANS: C
22.
Which statement was not part of Dalton’s atomic theory?
|
a. |
Matter is composed of indestructible
particles called atoms. |
|
b. |
All atoms of a given element are alike. |
|
c. |
Elements and compounds are composed of
definite arrays of atoms. |
|
d. |
Some atoms may emit nuclear radiation. |
ANS: D
23.
Who proposed the law of definite proportions?
|
a. |
Thomson |
|
b. |
Rutherford |
|
c. |
Dalton |
|
d. |
Proust |
ANS: D
24.
The STM, scanning tunneling microscope, shows
|
a. |
the outer boundary surface of the
electrons in an atom |
|
b. |
number of excited electrons in an atom |
|
c. |
the charge on the nucleus |
|
d. |
the mass of the nucleus |
ANS: A
25.
Which of the following ground state configurations matches
represents an atom with 3 valence electrons?
|
a. |
2-8-3 |
|
b. |
2-1 |
|
c. |
2-3-5 |
|
d. |
2-8-8 |
ANS: A
26.
What metal was used as the foil in Rutherford’s famous
scattering experiment?
|
a. |
tin |
|
b. |
aluminum |
|
c. |
gold |
|
d. |
silver |
ANS: C
27.
The name given to the number of protons in an atom’s nucleus is
|
a. |
atomic number. |
|
b. |
family number. |
|
c. |
electron number. |
|
d. |
mass number. |
ANS: A
28.
Two atoms which have the same atomic number but different mass
numbers are called
|
a. |
sisters. |
|
b. |
neutrinos. |
|
c. |
allotropes. |
|
d. |
isotopes. |
ANS: D
29.
What name is given to the sum of neutrons and protons in an
atom’s nucleus?
|
a. |
atomic number |
|
b. |
mass number |
|
c. |
isotope number |
|
d. |
atomic mole mass |
ANS: B
30.
An electric field can deflect a beam of beta, alpha and gamma
rays. Which ray will be deflected the least?
|
a. |
alpha |
|
b. |
beta |
|
c. |
gamma |
|
d. |
All are deflected by the same amount. |
ANS: C
31.
What experimental evidence served as a basis of Bohr’s atomic
theory?
|
a. |
magnetic measurements |
|
b. |
behavior of atoms at low temperatures |
|
c. |
atomic mass |
|
d. |
atomic spectra |
ANS: D
32.
Which is the ground state of a hydrogen atom?
|
a. |
three electrons in the n = 1 level |
|
b. |
one electron in the n = 2 level |
|
c. |
one electron in the n = 1 level |
|
d. |
one electron in the n = 1 level and
one electron in the n =
2 level |
ANS: C
33.
Which of the following ground state configuration matches Ar,
argon?
|
a. |
2-8-1 |
|
b. |
2-2-6-2-6 |
|
c. |
2-2-6-8 |
|
d. |
2-8-8 |
ANS: D
34.
The modern periodic table is based on arranging elements in the
order of their
|
a. |
atomic weight. |
|
b. |
atomic number. |
|
c. |
mass number. |
|
d. |
isotope number. |
ANS: B
35.
What classification is given to the elements found in the A
Groups of the periodic table?
|
a. |
representative or main-group |
|
b. |
transition |
|
c. |
lanthanide |
|
d. |
actinide |
ANS: A
36.
The majority of the elements are
|
a. |
gases. |
|
b. |
nonmetals. |
|
c. |
radioactive. |
|
d. |
metals. |
ANS: D
37.
Which element is found in Group 2 – in Period 4?
|
a. |
magnesium, Mg |
|
b. |
zinc, Zn |
|
c. |
calcium, Ca |
|
d. |
potassium, K |
ANS: C
38.
Which is not a
property of nonmetals?
|
a. |
malleable |
|
b. |
insulator |
|
c. |
gain electrons to form negative ions |
|
d. |
poor conductor of electricity |
ANS: A
39.
Which element is a noble gas?
|
a. |
Ni |
|
b. |
Ne |
|
c. |
Si |
|
d. |
B |
ANS: B
40.
Which sequence lists a nonmetal, metalloid, and a transition
metal, respectively?
|
a. |
Al, As, Ag |
|
b. |
Co, Pb, P |
|
c. |
O, Ge, Cs |
|
d. |
N, Si, Fe |
ANS: D
41.
Which element would most likely have the Lewis dot symbol shown
below?
|
a. |
oxygen |
|
b. |
nitrogen |
|
c. |
carbon |
|
d. |
fluorine |
ANS: C
42.
Which is not true about metals?
|
a. |
good conductors of heat |
|
b. |
form positive ions |
|
c. |
can be stretched or drawn into wires |
|
d. |
many are liquids |
ANS: D
43.
In the following set, which atom is the smallest?
|
a. |
Ar |
|
b. |
Mg |
|
c. |
Cl |
|
d. |
Si |
ANS: A
44.
Which of the following halogens has the smallest atomic radius?
|
a. |
iodine |
|
b. |
fluorine |
|
c. |
bromine |
|
d. |
chlorine |
ANS: B
45.
What element of the following is a metal that forms +1 ions?
|
a. |
sodium (Na) |
|
b. |
aluminum (Al) |
|
c. |
calcium (Ca) |
|
d. |
nitrogen (N) |
ANS: A
46.
Which of the following elements is a metal?
|
a. |
Cl |
|
b. |
Na |
|
c. |
Ar |
|
d. |
S |
ANS: B
47.
Which of the following elements conducts electricity well?
|
a. |
arsenic |
|
b. |
boron |
|
c. |
sulfur |
|
d. |
silver |
ANS: D
48.
If the compound formed by radium and bromine has the formula
RaBr2, what is the formula of the compound formed by strontium (Sr)
and iodine (I)?
|
a. |
SrI |
|
b. |
Sr2I |
|
c. |
SrI2 |
|
d. |
No correlation exists between radium
and strontium. |
ANS: C
49.
Sodium has chemical properties most like
|
a. |
cesium, Cs. |
|
b. |
magnesium, Mg. |
|
c. |
chlorine, Cl. |
|
d. |
mercury, Hg. |
ANS: A
50.
The reason for your answer in the previous question is that both
cesium and sodium
|
a. |
have about the same atomic weight. |
|
b. |
have about the same atomic number. |
|
c. |
are both metals. |
|
d. |
are in the same group of the periodic
table. |
ANS: D
51.
Who was the Russian who was a pioneer in the development of the
periodic law?
|
a. |
Meyerovick |
|
b. |
Mendeleev |
|
c. |
Dobereiner |
|
d. |
Newlands |
ANS: B
52.
The periodic law of the elements states that the properties of
the elements are a periodic function of
|
a. |
atomic weights. |
|
b. |
atomic numbers. |
|
c. |
both atomic weights and atomic numbers. |
|
d. |
neither atomic weights nor atomic
numbers. |
ANS: B
53.
Which of the following is a transition element?
|
a. |
sodium |
|
b. |
sulfur |
|
c. |
boron |
|
d. |
chromium |
ANS: D
54.
Which of the following is an element in Group 14?
|
a. |
C |
|
b. |
Cu |
|
c. |
Cs |
|
d. |
Cl |
ANS: A
55.
Which group of elements consists of all alkaline earth elements?
|
a. |
Mg, Cl, Na, As |
|
b. |
Ca, Mg, Ba, Ra |
|
c. |
Ba, Al, Na, As |
|
d. |
Na, K, Li, Rb |
ANS: B
56.
Group 2 elements, M, react with oxygen, O, to form oxides with
the formula
|
a. |
MO. |
|
b. |
M2O. |
|
c. |
MO2. |
|
d. |
M2O3. |
ANS: A
57.
If an element in a group in the periodic table has a combining
power (valence) of two, another element in the same group likely has a
combining power of ____.
|
a. |
two |
|
b. |
one or three |
|
c. |
an unpredictable number |
|
d. |
four or five, depending on the
element’s position in the group |
ANS: A
58.
Why are atoms at the bottom of a group in the periodic table
larger than atoms at the top of the group?
|
a. |
Larger atoms have more electrons and
more occupied energy levels. |
|
b. |
Larger atoms have more protons. |
|
c. |
Larger atoms have more energy levels
occupied by electrons. |
|
d. |
Larger atoms have less screening effect
by inner electrons. |
ANS: A
59.
Which atom in the following series is the largest?
|
a. |
K |
|
b. |
Rb |
|
c. |
Cs |
|
d. |
Na |
ANS: C
60.
How many electrons in the valence shell of a calcium atom?
|
a. |
20 |
|
b. |
8 |
|
c. |
2 |
|
d. |
1 |
ANS: C
61.
According to the periodic table all the elements in Group 2 are
|
a. |
noble gases. |
|
b. |
metals. |
|
c. |
metalloids. |
|
d. |
nonmetals. |
ANS: B
62.
The periodic table is helpful in all the following endeavors but
one. Which is the exception?
|
a. |
predicting the number of isotopes of
elements |
|
b. |
predicting chemical reactivity of
elements |
|
c. |
predicting physical properties of
elements |
|
d. |
predicting formula of compounds |
ANS: A
63.
An element with electronic structure of 2-8-3 is in which of the
following groups of the periodic table?
|
a. |
1 |
|
b. |
2 |
|
c. |
3 |
|
d. |
4 |
ANS: C
64.
What general electronic arrangement is characteristic of
chemical inactivity?
|
a. |
a total of eight electrons per atom |
|
b. |
filled s and p orbitals |
|
c. |
all electrons paired |
|
d. |
2-8-8 |
ANS: D
65.
An element with electronic structure of 2-8-8 is found in which
of the following groups of the periodic table?
|
a. |
2 |
|
b. |
4 |
|
c. |
5 |
|
d. |
8 |
ANS: D
66.
An element with two valence (bonding, or outer shell) electrons
is
|
a. |
Mg. |
|
b. |
Na. |
|
c. |
Cl. |
|
d. |
Al. |
ANS: A
67.
Which of the following reacts most violently with water?
|
a. |
Ne, neon |
|
b. |
Na, sodium |
|
c. |
Li, lithium |
|
d. |
K, potassium |
ANS: D
68.
Which of the following elements has five valence electrons?
|
a. |
Be |
|
b. |
F |
|
c. |
P |
|
d. |
Xe |
ANS: C
69.
Which law states that matter is neither lost nor gained during a
chemical reaction?
|
a. |
law of multiple proportions |
|
b. |
law of definite proportions |
|
c. |
law of chemical reactions |
|
d. |
law of conservation of mass |
ANS: D
70.
Which subatomic particles are found in the nucleus of 32P
atom?
|
a. |
15 protons, 15 electrons, 17 neutrons |
|
b. |
15 protons, 15 electrons, 32 neutrons |
|
c. |
15 protons, 32 neutrons |
|
d. |
15 protons, 17 neutrons |
ANS: D
71.
What is the symbol for a neutral atom with 35 protons, 35
electrons, and 46 neutrons?
|
a. |
Se |
|
b. |
Br |
|
c. |
Cl |
|
d. |
Ti |
ANS: B
72.
Which type of electromagnetic radiation has the least amount of
energy per photon?
|
a. |
infrared |
|
b. |
gamma |
|
c. |
radio waves |
|
d. |
ultraviolet |
ANS: C
73.
Which of the following elements has 8 valence electrons?
|
a. |
Be |
|
b. |
F |
|
c. |
Na |
|
d. |
Ne |
ANS: D
74.
The fourth energy level can hold a maximum of how many
electrons?
|
a. |
2 |
|
b. |
8 |
|
c. |
18 |
|
d. |
32 |
ANS: D
75.
Which element has the following ground state electron
configuration 1s22s22p63s23p64s1?
|
a. |
Ar |
|
b. |
Na |
|
c. |
K |
|
d. |
Cl |
ANS: C
76.
Which of the following ground state configurations matches
represents an atom with 7 valence electrons?
|
a. |
1s22s22p63s23p6 |
|
b. |
1s22s22p63s23p4 |
|
c. |
1s22s22p63s2 |
|
d. |
1s22s22p63s23p5 |
ANS: D
77.
What is the ground state configuration for an argon atom?
|
a. |
1s22s22p63s23p6 |
|
b. |
1s22s22p63s23p8 |
|
c. |
1s22s22p6 |
|
d. |
1s22s22p63s2 |
ANS: A
78.
Which of the following elements is found in Group 16 and in
Period 3?
|
a. |
phosphorus, P |
|
b. |
chromium, Cr |
|
c. |
sulfur, S |
|
d. |
oxygen, O |
ANS: C
79.
Which of the following is a property of metals?
|
a. |
malleable |
|
b. |
conductor |
|
c. |
lose electrons to form positive ions |
|
d. |
all of the above |
ANS: D
80.
Which of the following elements is a nonmetal?
|
a. |
potassium |
|
b. |
copper |
|
c. |
sulfur |
|
d. |
lithium |
ANS: C
81.
How many valence electrons are in aluminum?
|
a. |
1 |
|
b. |
2 |
|
c. |
3 |
|
d. |
5 |
ANS: C
82.
Which of the following elements would have a Lewis dot symbol as
shown below?
|
a. |
sodium |
|
b. |
magnesium |
|
c. |
oxygen |
|
d. |
silicon |
ANS: B
83.
In the following set, which atom is the largest?
|
a. |
Ar |
|
b. |
Mg |
|
c. |
Cl |
|
d. |
Si |
ANS: B
84.
An element with 4 valence electrons is
|
a. |
N. |
|
b. |
Al. |
|
c. |
Cl. |
|
d. |
C. |
ANS: D
85.
The symbol and atomic number of the heaviest alkaline earth
elements are, respectively
|
a. |
Ra, 226. |
|
b. |
Fr, 223. |
|
c. |
Ra, 88. |
|
d. |
Fr, 87. |
ANS: C
86.
How many protons, neutrons, and electrons are in the following
isotope, respectively?
|
a. |
3, 3, 3 |
|
b. |
3, 6, 3 |
|
c. |
6, 3, 6 |
|
d. |
6, 3, 3 |
|
e. |
3, 6, 6 |
ANS: A
87.
How many orbitals are in the n = 2 energy shell in an atom?
|
a. |
1 |
d. |
4 |
|
b. |
2 |
e. |
6 |
|
c. |
3 |
f. |
8 |
ANS: D
88.
How many valence electrons does an atom of tin (Sn) have?
|
a. |
2 |
|
b. |
4 |
|
c. |
13 |
|
d. |
14 |
|
e. |
50 |
ANS: B
89.
The element that corresponds to the following electron
configuration is:
1s22s22p6
|
a. |
sodium |
|
b. |
magnesium |
|
c. |
lithium |
|
d. |
beryllium |
|
e. |
neon |
ANS: E
TRUE/FALSE
1. The
elements that are good conductors of heat and electricity are the metals.
ANS: T
2. Fluorine
is classified as a halogen.
ANS: T
3. Ne is
classified as a noble gas.
ANS: T
4. Nitrogen
has five core (innermost) electrons.
ANS: F
5. Boron
has 5 valence electrons.
ANS: F
Consider the table given below.
Complete the following in reference to this table.
6. The
third element listed on the table contains 5 valence electrons.
ANS: F
7. The
element with atomic number 29 is classified as a metal.
ANS: T
8. Consider
the image below representing an individual block of the periodic table.
The element represented is titanium.
ANS: T
9. The Lewis
dot symbol shown below could represent the members of group 16 of the periodic
table.
ANS: T
COMPLETION
1. In a
neutral atom, there is an equal number of protons and _____________.
ANS: electrons
2. As
the wavelength of electron magnetic radiation increases, the energy of
the wave ____________.
ANS: decreases
3. The
color ___________ is associated with light with a wavelength of 700 nm.
ANS: red
4. In an
electric field, a stream of electrons will be deflected toward the
_____________pole.
ANS: positive
Consider the table given below.
Complete the following in reference to this table.
5. The
first element in the table will be found in period ______ of the periodic
table.
ANS:
3
three
6. The element
with atomic number 35 belongs to the ____________family.
ANS: halogen
7. ____________
is the name of the element with atomic number 29.
ANS:
Copper
copper
8. The
complete electron configuration of Ca is ______________________________.
ANS: 1s22s22p63s23p64s2
9. The
atom with the smallest radius in Group 16 is___________.
ANS:
O
oxygen
Oxygen
Use the Lewis symbol shown below to answer the following
questions.
10.
If this element is found in period 3, the name of the
element is ________________.
ANS:
nitrogen
Nitrogen
11.
The number of valence electrons represented is __________.
ANS:
five
5
12.
An element having this Lewis dot symbol would be classified as a
__________.
ANS: nonmetal
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