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Chapter 9 practice questions for general chemistry 1
Typology: Exercises
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Multiple-Choice and Bimodal
C) 3.00 × 108 D) 10, E) It depends on wavelength. Answer: C Diff: 1 Page Ref: Sec. 6.
B) 2.50 × 10 - C) 0. D) 12. E) 2. Answer: B Diff: 1 Page Ref: Sec. 6.
Ham radio operators often broadcast on the 6-meter band. The frequency of this electromagnetic radiation is __________ MHz. A) 500 B) 200 C) 50 D) 20 E) 2. Answer: C Diff: 1 Page Ref: Sec. 6.
What is the frequency (s-1 ) of electromagnetic radiation that has a wavelength of 0.53 m __________?
A) 5.7 × 108
B) 1.8 × 10 -
C) 1.6 × 108
D) 1.3 × 10 -
E) 1.3 × 1033 Answer: A Diff: 1 Page Ref: Sec. 6.
Of the following, __________ radiation has the shortest wavelength. A) X-ray B) radio C) microwave D) ultraviolet E) infrared Answer: A Diff: 1 Page Ref: Sec. 6.
What is the frequency of light (s^ -1)^ that has a wavelength of 1.23 ×^10 -6cm __________?
A) 3.
B) 2.44 × 1016
C) 4.10 × 10 -
D) 9.62 × 1012
E) 1.04 × 10 - Answer: B Diff: 1 Page Ref: Sec. 6.
A) 3.
B) 2.44 × 1016
C) 9.62 × 1012
D) 4.10 × 10 -
E) 1.04 × 10 - Answer: C Diff: 1 Page Ref: Sec. 6.
C) 9.66 × 1022
D) 9.32 × 10 -
E) 1.07 × 106 Answer: A Diff: 1 Page Ref: Sec. 6.
C) 1.39 × 1023
D) 1.54 × 10 -
E) 1.07 × 106 Answer: B Diff: 1 Page Ref: Sec. 6.
A) 8.08 × 10 -
B) 1.99 × 10 -
C) 5.44 × 10 -
D) 1.24 × 1049
E) 1.26 × 10 - Answer: C Diff: 2 Page Ref: Sec. 6.
A) 5.44 × 10 -
B) 1.99 × 10 -
C) 3.49 × 10 -
D) 1.21 × 10 -
E) 5.44 × 10 - Answer: D Diff: 2 Page Ref: Sec. 6.
A) 436
B) 6.61 × 1015
C) 1.45 × 10 -
D) 2.30 × 107
E) 1.31 × 10 - Answer: B Diff: 2 Page Ref: Sec. 6.
B) 2.30 × 107
C) 6.89 × 1015
D) 1.45 × 10 -
E) 1.31 × 10 - Answer: A Diff: 2 Page Ref: Sec. 6.
A) 2.74 × 10 -
B) 4.56 × 10 -
C) 6.05 × 10 - D) 165 E) 227 Answer: D Diff: 2 Page Ref: Sec. 6.
C) 4.56 × 10 -
D) 6.05 × 10 -
E) 2.74 × 10 - Answer: B Diff: 2 Page Ref: Sec. 6.
It takes 254 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength of light (nm) that can be used to eject electrons from the surface of this metal via the photoelectric effect __________? A) 472 B) 233 C) 165 D) 725 E) 552 Answer: A Diff: 2 Page Ref: Sec. 6.
Of the following, __________ radiation has the longest wavelength and __________ radiation has the greatest energy.
gamma ultraviolet visible
A) ultraviolet, gamma B) visible, ultraviolet C) gamma, gamma D) visible, gamma E) gamma, visible Answer: D Diff: 1 Page Ref: Sec. 6.
What color of visible light has the longest wavelength __________? A) blue B) violet C) red D) yellow E) green Answer: C Diff: 1 Page Ref: Sec. 6.
Of the following, __________ radiation has the shortest wavelength and __________ radiation has the greatest energy.
gamma ultraviolet visible
A) gamma, visible B) visible, gamma C) visible, ultraviolet D) ultraviolet, gamma E) gamma, gamma Answer: E Diff: 1 Page Ref: Sec. 6.
A) 4.0 × 10 -
B) 3.0 × 10 -
C) -3.0 × 10 -
D) -7.9 × 10 -
E) 4.6 × 1014 Answer: B Diff: 1 Page Ref: Sec. 6.
A) 6.5 × 10 -
B) 5.5 × 10 -
C) 8.7 × 10 -
D) 4.6 × 10 -
E) 5.8 × 10 - Answer: D Diff: 1 Page Ref: Sec. 6.
A) 4.1 × 10 -
B) 6.2 × 1014
C) 5.4 × 10 -
D) 8.2 × 1014
E) 4.1 × 1019 Answer: B Diff: 1 Page Ref: Sec. 6.
A spectrum containing only specific wavelengths is called a __________ spectrum. A) line B) continuous C) visible D) Rydberg E) invariant Answer: A Diff: 1 Page Ref: Sec. 6.
When the electron in a hydrogen atom moves from n = 6 to n = 2, light with a wavelength of __________ nm is emitted. A) 93. B) 434 C) 487 D) 657 E) 411 Answer: E Diff: 1 Page Ref: Sec. 6.
When the electron in a hydrogen atom moves from n = 6 to n = 1, light with a wavelength of __________ nm is emitted. A) 487 B) 411 C) 434 D) 93. E) 657 Answer: D Diff: 1 Page Ref: Sec. 6.
When the electron in a hydrogen atom moves from n = 8 to n = 2 light with a wavelength of __________ nm is emitted. A) 657 B) 93. C) 411 D) 487 E) 389 Answer: E Diff: 1 Page Ref: Sec. 6.
The n = 2 to n = 6 transition in the Bohr hydrogen atom corresponds to the __________ of a photon with a wavelength of __________ nm. A) emission, 411 B) absorption, 411 C) absorption, 657 D) emission, 93. E) emission, 389 Answer: B Diff: 2 Page Ref: Sec. 6.
The n = 5 to n = 3 transition in the Bohr hydrogen atom corresponds to the __________ of a photon with a wavelength of __________ nm. A) absorption, 657 B) absorption, 1280 C) emission, 657 D) emission, 1280 E) emission, 389 Answer: D Diff: 1 Page Ref: Sec. 6.
The n = 8 to n = 4 transition in the Bohr hydrogen atom occurs in the __________ region of the electromagnetic spectrum. A) infrared B) visible C) ultraviolet D) microwave E) X-ray Answer: A Diff: 1 Page Ref: Sec. 6.
of 5.4 × 10 -29 m?
A) 1.6 × 10 -
B) 3.9 × 10 -
C) 2.0 × 1012 D) 4. E) 6. Answer: D Diff: 1 Page Ref: Sec. 6.
A) 8.4 × 103
B) 1.2 × 10 -
C) 6.9 × 10 -
D) 8.4 × 106
E) 8.4 × 10 - Answer: D Diff: 1 Page Ref: Sec. 6.4,
A) 7.7 × 1033
B) 1.3 × 10 -
C) 6.2 × 10 -
D) 1.3 × 10 -
E) 1.3 × 10 - Answer: B Diff: 1 Page Ref: Sec. 6.4,
A) 3.2 × 10 -
B) 8.8 × 10 -
C) 3.2 × 10 -
D) 1.4 × 10 -
E) 1.4 × 1035 Answer: A Diff: 1 Page Ref: Sec. 6.4,
A) 4.3 × 10 - B) 12
C) 4.3 × 10 -
D) 2.3 × 107
E) 2.3 × 10 - Answer: C Diff: 1 Page Ref: Sec. 6.4,
The __________ quantum number defines the shape of an orbital. A) spin B) magnetic C) principal D) azimuthal E) psi Answer: D Diff: 1 Page Ref: Sec. 6.
There are __________ orbitals in the third shell. A) 25 B) 4 C) 9 D) 16 E) 1 Answer: C Diff: 1 Page Ref: Sec. 6.
The __________ subshell contains only one orbital. A) 5d B) 6f C) 4s D) 3d E) 1p Answer: C Diff: 1 Page Ref: Sec. 6.
There are __________ orbitals in the second shell. A) 1 B) 2 C) 4 D) 8 E) 9 Answer: C Diff: 1 Page Ref: Sec. 6.
The azimuthal quantum number is 3 in __________ orbitals. A) s B) p C) d D) f E) a Answer: D Diff: 2 Page Ref: Sec. 6.
The n = 1 shell contains __________ p orbitals. All the other shells contain __________ p orbitals. A) 3, 6 B) 0, 3 C) 6, 2 D) 3, 3 E) 0, 6 Answer: B Diff: 1 Page Ref: Sec. 6.
How many p-orbitals are occupied in a Ne atom __________? A) 5 B) 6 C) 1 D) 3 E) 2 Answer: E Diff: 1 Page Ref: Sec. 6.
Each p-subshell can accommodate a maximum of __________ electrons. A) 6 B) 2 C) 10 D) 3 E) 5 Answer: A Diff: 1 Page Ref: Sec. 6.
An electron in a(n) __________ subshell experiences the greatest effective nuclear charge in a many-electron atom. A) 3f B) 3p C) 3d D) 3s E) 4s Answer: D Diff: 1 Page Ref: Sec. 6.
A tin atom has 50 electrons. Electrons in the __________ subshell experience the lowest effective nuclear charge. A) 1s B) 3p C) 3d D) 5s E) 5p Answer: E Diff: 2 Page Ref: Sec. 6.
A __________ orbital is degenerate with a 5dz 2 in a many-electron atom.
A) 5pz
B) 4dz^2
C) 5s D) 5dzy
E) 4dzz
Answer: D Diff: 2 Page Ref: Sec. 6.
How many quantum numbers are necessary to designate a particular electron in an atom __________? A) 3 B) 4 C) 2 D) 1 E) 5 Answer: B Diff: 1 Page Ref: Sec. 6.
In which orbital does an electron in a phosphorus atom experience the greatest shielding __________? A) 2p B) 3s C) 3p D) 2s E) 1s Answer: C Diff: 2 Page Ref: Sec. 6.
The 3p subshell in the ground state of atomic xenon contains __________ electrons. A) 2 B) 6 C) 8 D) 10 E) 36 Answer: B Diff: 1 Page Ref: Sec. 6.
The second shell in the ground state of atomic argon contains __________ electrons. A) 2 B) 6 C) 8 D) 18 E) 36 Answer: C Diff: 1 Page Ref: Sec. 6.
The 4d subshell in the ground state of atomic xenon contains __________ electrons. A) 2 B) 6 C) 8 D) 10 E) 36 Answer: D Diff: 1 Page Ref: Sec. 6.
[Ar]4s 3d^2 10 4p^3 is the electron configuration of a(n) __________ atom.
A) As B) V C) P D) Sb E) Sn Answer: A Diff: 3 Page Ref: Sec. 6.
The principal quantum number for the outermost electrons in a Br atom in the ground state is __________. A) 2 B) 3 C) 4 D) 5 E) 1 Answer: C Diff: 2 Page Ref: Sec. 6.
The azimuthal quantum number for the outermost electrons in a nitrogen atom in the ground state is __________. A) 0 B) 1 C) 2 D) 3 E) - Answer: B Diff: 3 Page Ref: Sec. 6.
Which is the correct ground-state electron configuration for silver __________?
A) [Kr]5s 4d^2
B) [Kr]5s 4d^1
C) [Kr]5s 4d^2
D) [Xe]5s 4d^2
E) [Xe]5s 4d^1
Answer: B Diff: 1 Page Ref: Sec. 6.
A) [Kr]5s 4d^1
B) [Kr]5s 4d^2
C) [Kr]5s 4d^1
D) [Kr]5s 4d^2
E) [Kr]5s 4d^2
Answer: C Diff: 1 Page Ref: Sec. 6.
The elements in the __________ period of the periodic table have a core-electron configuration that is the same as the electron configuration of neon. A) first B) second C) third D) fourth E) fifth Answer: C Diff: 1 Page Ref: Sec. 6.
The largest principal quantum number in the ground state electron configuration of iodine is __________. A) 1 B) 4 C) 5 D) 6 E) 7 Answer: C Diff: 1 Page Ref: Sec. 6.
The largest principal quantum number in the ground state electron configuration of barium is __________. A) 1 B) 2 C) 4 D) 5 E) 6 Answer: E Diff: 1 Page Ref: Sec. 6.
The largest principal quantum number in the ground state electron configuration of cobalt is __________. A) 2 B) 3 C) 4 D) 7 E) 9 Answer: C Diff: 1 Page Ref: Sec. 6.
Elements in group __________ have a np^6 electron configuration in the outer shell.
A) 4A B) 6A C) 7A D) 8A E) 5A Answer: D Diff: 1 Page Ref: Sec. 6.
of ns np^2 1 __________?
A) 1A B) 2A C) 3A D) 4A E) 8A Answer: C Diff: 1 Page Ref: Sec. 6.
The de Broglie wavelength of a __________ will have the shortest wavelength when traveling at 30 cm/s. A) marble B) car C) planet D) uranium atom E) hydrogen atom Answer: C Diff: 1 Page Ref: Sec. 6.4,
The uncertainty principle states that __________. A) matter and energy are really the same thing B) it is impossible to know anything with certainty C) it is impossible to know the exact position and momentum of an electron D) there can only be one uncertain digit in a reported number E) it is impossible to know how many electrons there are in an atom Answer: C Diff: 1 Page Ref: Sec. 6.
All of the orbitals in a given electron shell have the same value of the __________ quantum number. A) principal B) azimuthal C) magnetic D) spin E) psi Answer: A Diff: 1 Page Ref: Sec. 6.
All of the orbitals in a given subshell have the same value of the __________ quantum number. A) principal B) azimuthal C) magnetic D) A and B E) B and C Answer: D Diff: 1 Page Ref: Sec. 6.
Which one of the following is not a valid value for the magnetic quantum number of an electron in a 5d subshell? A) 2 B) 3 C) 0 D) 1 E) - Answer: B Diff: 1 Page Ref: Sec. 6.
Which of the subshells below do not exist due to the constraints upon the azimuthal quantum number? A) 2d B) 2s C) 2p D) all of the above E) none of the above Answer: A Diff: 1 Page Ref: Sec. 6.
Which of the subshells below do not exist due to the constraints upon the azimuthal quantum number? A) 4f B) 4d C) 4p D) 4s E) none of the above Answer: E Diff: 1 Page Ref: Sec. 6.
An electron cannot have the quantum numbers n = __________, l = __________, m (^) l = __________.
A) 2, 0, 0 B) 2, 1, - C) 3, 1, - D) 1, 1, 1 E) 3, 2, 1 Answer: D Diff: 2 Page Ref: Sec. 6.
A) 6, 1, 0 B) 3, 2, 3 C) 3, 2, - D) 1, 0, 0 E) 3, 2, 1 Answer: B Diff: 2 Page Ref: Sec. 6.
Which one of the following is an incorrect subshell notation? A) 4f B) 2d C) 3s D) 2p E) 3d Answer: B Diff: 1 Page Ref: Sec. 6.
Which one of the following is an incorrect orbital notation? A) 2s B) 3py
C) 3f D) 4dxy
E) 4s Answer: C Diff: 1 Page Ref: Sec. 6.
D) l E) n and l Answer: A Diff: 2 Page Ref: Sec. 6.