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Multiple Choice Quiz - Electronic Structure of Atoms I
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Self Assessment Quiz

1
Calculate the energy of a photon of wavelength 5.356x10-7m.
A)2.28x10-19 J
B)3.57x10-19 J
C)3.71x10-19 J
D)1.97x10-19 J
E)5.63x10-20 J
2
Calculate the wavelength of a 1.45x10-18 J photon.
A)1.56x10-7 m
B)9.81x10-7 m
C)1.37x10-7
D)9.57x10-7 m
3
Calculate the wavelength of a photon that has a frequency of 2.33x1016/s.
A)5.98x10-8 m
B)7.77x107 m
C)6.96x10-8 m
D)3.85x10-8 m
E)1.29x10-8 m
4
Niels Bohr is credited with what scientific contribution?
A)The discovery of the electron
B)The discovery of the photon
C)The observation that matter emits light
D)The discovery of the equation E = hv
E)The theory that electrons in atoms are arranged in shells with discrete energies
5
What values of l are permitted for an electron with n = 4?
A)1, 2, 3
B)1, 2, 3, 4
C)0, 1, 2, 3
D)0, 1, 2, 3, 4
E)0, 1, 2, 3, 4, 5
6
What values of m are permitted for an electron with l = 3?
A)0, 1, 2
B)-3, -2, -1, 0, 1, 2, 3
C)-2, -1, 0, 1, 2
D)1, 2, 3
E)-3, -2, -1, 1, 2, 3
7
Which one of the following sets of quantum numbers is not permitted?
A)n = 4, l = 2, m = 3 , s = -1/2
B)n = 2, l = 2, m = 0 , s = 1/2
C)n = 2, l = 0, m = 0 , s = -1/2
D)n = 3, l = 1, m = -1 , s = 1/2
E)n = 5, l = 4, m = -4 , s = -1/2
8
Which of the following electrons, identified only by their n and l quantum numbers, has the highest energy?

n = 3, l = 0
n = 4, l = 1
n = 3, l = 2
n = 4, l = 2

A)n = 4, l = 2
B)n = 4, l = 1
C)n = 3, l = 2
D)n = 3, l = 0
E)All of these have the same energy.
9
Which one of the following electrons is degenerate with an electron with quantum numbers n = 4, l = 2, m = -1 , s = 1/2?
A)n = 5, l = 1, m = -1 , s = 1/2
B)n = 6, l = 0, m = 0 , s = -1/2
C)n = 4, l = 2, m = 2 , s = -1/2
D)n = 4, l = 3, m = -1 , s = 1/2
E)None of these
10
Which one of the following electrons, identified only by their n and l quantum numbers, has the lowest energy?

n = 3, l = 1
n = 3, l = 0
n = 2, l = 1
n = 3, l = 2

A)n = 2, l = 1
B)n = 3, l = 0
C)n = 3, l = 1
D)n = 3, l = 2
E)n = 2, l = 1 and n = 3, l = 0
11
How many electrons are present in the atom with electronic structure 1s22s62p4?
A)5
B)60
C)6
D)15
E)12
12
Assuming that the atom is neutral, identity the element with electronic structure 1s22s22p63s23p2.
A)Al
B)N
C)Si
D)K
E)Mg
13
What is the maximum number of electrons in a given atom that can have the quantum numbers n = 3, l = 1?
A)23
B)18
C)10
D)28
E)14
14
What is the letter designation for l = 1?
A)s
B)d
C)f
D)p
E)g
15
What is the maximum number of electrons that are permitted in a p subshell?
A)2
B)3
C)6
D)10
E)None of these
16
How many orbitals are in a 3d subshell?
A)10
B)2
C)4
D)18
E)5
17
What is the electron configuration of sulfur?
A)1s22s22p23s23p4
B)1s16
C)1s22s22p4
D)1s22s22p63s23p2
E)1s22s22p63s23p4
18
How many electrons are added to an atom in the buildup process before the start of the third shell?
A)10
B)2
C)6
D)3
E)18
19
Determine the number of unpaired electrons in an atom of Si.
A)0
B)2
C)4
D)1
E)3
20
What is the maximum number of unpaired electrons in a d subshell?
A)0
B)1
C)2
D)10
E)5
21
Which one of the following represents the energy level diagram for oxygen?
A)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4ox2.gif','popWin', 'width=210,height=200,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4ox3.gif','popWin', 'width=210,height=199,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
C)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4ox1.gif','popWin', 'width=210,height=200,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
D)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4ox4.gif','popWin', 'width=218,height=199,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
E)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4ox5.gif','popWin', 'width=218,height=199,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
22
The following energy level diagram represents the outermost shell of what ground state element?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4al.gif','popWin', 'width=210,height=140,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>

A)B
B)He
C)Be
D)Al
E)Li
23
What is the outer electronic configuration for vanadium?
A)[Ar]4s5
B)[Ar]4s24d3
C)[Ne]4s23d3
D)[Ar]4s23d3
E)[Ne]4s24d3
24
Locate in the periodic table the element that has the first 4d electron.
A)Sc
B)La
C)Ga
D)Y
E)K
25
What is the outer electronic configuration for Nd?
A)[Xe]6s25d104f3
B)[Xe]6s25f3
C)[Xe]4f3
D)[Xe]6s24f3
E)[Rd]7s25f3
26
Calculate the energy of a photon of wavelength 6.237x10-7m.
A)4.58x10-19 J
B)3.57x10-19 J
C)3.19x10-19 J
D)2.54x10-19 J
E)5.63x10-20 J
27
Calculate the wavelength of a 1.09x10-18 J photon.
A)1.56x10-8 m
B)7.55x10-8 m
C)6.96x10-8 m
D)4.22x10-8 m
E)1.82x10-7 m
28
Calculate the wavelength of a photon that has a frequency of 1.43x1016/s.
A)5.67x10-8 m
B)1.06x10-7 m
C)2.10x10-8 m
D)3.85x10-8 m
E)4.77x107 m
29
Which one of the following describes the Bohr theory?
A)Light is emitted when matter is excited.
B)No two electrons can occupy the same spin orbital.
C)One cannot know simultaneously the exact position and the exact momentum of a particle.
D)Electrons in atoms are arranged in shells with discrete energies.
E)Electrons repel each other.
30
What values of l are permitted for an electron with n = 5?
A)1, 2, 3, 4
B)1, 2, 3, 4, 5
C)0, 1, 2, 3
D)0, 1, 2, 3, 4
E)0, 1, 2, 3, 4, 5
31
What values of m are permitted for an electron with l = 5?
A)-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5
B)-4, -3, -2, -1, 0, 1, 2, 3, 4
C)0, 1, 2, 3, 4
D)1, 2, 3, 4, 5
E)0, 1, 2, 3, 4, 5
32
Which one of the following sets of quantum numbers is not permitted?
A)n = 4, l = 2, m = -1 , s = 1/2
B)n = 3, l = 0, m = 0 , s = 1/2
C)n = 2, l = 1, m = 0 , s = 1/2
D)n = 3, l = 4, m = 2 , s = 1/2
E)n = 5, l = 1, m = 1 , s = -1/2
33
Which of the following electrons, identified only by their n and l quantum numbers, has the highest energy?

n = 3, l = 0
n = 2, l = 1
n = 2, l = 0
n = 1, l = 0

A)n = 1, l = 0
B)n = 2, l = 0
C)n = 2, l = 1
D)n = 3, l = 0
E)All of these have the same energy.
34
Which one of the following electrons is degenerate with an electron with quantum numbers n = 3, l = 2, m = 1 , s = -1/2?
A)n = 4, l = 1, m = 1 , s = -1/2
B)n = 3, l = 2, m = 0 , s = 1/2
C)n = 3, l = 1, m = 0 , s = 1/2
D)n = 4, l = 1, m = -1 , s = 1/2
E)None of these
35
Which one of the following electrons, identified only by their n and l quantum numbers, has the lowest energy?

n = 5, l = 2
n = 5, l = 1
n = 5, l = 0
n = 4, l = 1

A)n = 5, l = 2
B)n = 5, l = 1
C)n = 5, l = 0
D)n = 4, l = 1
E)n = 4, l = 1 and n = 5, l = 0
36
How many electrons are present in the atom with electronic structure 1s22s62p63s1?
A)88
B)8
C)6
D)11
E)12
37
Assuming that the atom is neutral, identity the element with electronic structure 1s22s22p63s23p64s2.
A)K
B)Ar
C)Ca
D)Mg
E)Cr
38
What is the maximum number of electrons in a given atom that can have the quantum numbers n = 2, l = 1?
A)5
B)18
C)6
D)20
E)10
39
What is the letter designation for l = 3?
A)s
B)d
C)p
D)f
E)g
40
What is the maximum number of electrons that are permitted in an f subshell?
A)5
B)6
C)28
D)8
E)None of these
41
How many orbitals are in a 5f subshell?
A)2
B)7
C)18
D)10
E)14
42
What is the electron configuration of potassium?
A)1s22s23s24s1
B)1s19
C)1s22s22p63s23p64s1
D)1s22s22p63s1
E)1s22s22p63s23p64s23d1
43
How many electrons are added to an atom in the buildup process before the start of the fifth shell?
A)10
B)36
C)18
D)2
E)24
44
Determine the number of unpaired electrons in an atom of nitrogen.
A)3
B)2
C)4
D)1
E)0
45
What is the maximum number of unpaired electrons in a p subshell?
A)1
B)3
C)2
D)6
E)5
46
Which one of the following represents the energy level diagram for carbon?
A)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4car5.gif','popWin', 'width=210,height=200,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4car1.gif','popWin', 'width=210,height=200,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
C)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4car2.gif','popWin', 'width=210,height=200,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
D)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4car4.gif','popWin', 'width=210,height=200,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
E)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4car3.gif','popWin', 'width=210,height=200,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
47
The following energy level diagram represents the outermost shell of what ground state element?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073529249/89595/ch4Fluor.gif','popWin', 'width=210,height=141,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>

A)N
B)Cl
C)F
D)C
E)Mg
48
What is the outer electronic configuration for germanium?
A)[Ar]4s23d104p4
B)[Ar]4s23d104p2
C)[Ar]4s23d53p2
D)[Kr]4s25d10
E)[Ne]3s23d103p2
49
Locate in the periodic table the element that has the last 3d electron.
A)Cd
B)Ar
C)Na
D)K
E)Zn
50
What is the outer electronic configuration for U?
A)[Rn]7s26f3
B)[Rn]7s26d105f3
C)[Rn]7s25f3
D)[Xe]7s25f3
E)[Rn]5f3







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