Chapter 5 Practice Test
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. The product of the frequency and the wavelength of a wave equals the
a. number of waves passing a point in a second.
b. speed of the wave.
c. distance between wave crests.
d. time for one full wave to pass.
____
2. Visible light, X rays, infrared radiation, and radio waves all have the same
a. energy.
c. speed.
b. wavelength.
d. frequency.
____
3. The speed of an electromagnetic wave is equal to the product of its wavelength and its
a. mass.
c. velocity.
b. color.
d. frequency.
____
4. Because c, the speed of electromagnetic radiation, is a constant, the wavelength of the radiation is
a. proportional to its frequency.
c. inversely proportional to its frequency.
b. equal to its frequency.
d. double its frequency.
____
5. For an electron in an atom to change from the ground state to an excited state,
a. energy must be released.
b. energy must be absorbed.
c. radiation must be emitted.
d. the electron must make a transition from a higher to a lower energy level.
____
6. If electrons in an atom have the lowest possible energies, the atom is in the
a. ground state.
c. excited state.
b. inert state.
d. radiation-emitting state.
____
7. According to Bohr, electrons cannot reside at ____ in the figure below.
a. point A
b. point B
c. point C
d. point D
____
8. A spherical electron cloud surrounding an atomic nucleus would best represent
a. an s orbital.
b. a px orbital.
c. a combination of px and py orbitals.
d. a combination of an s and a px orbital.
____
9. The total number of orbitals that can exist at the second main energy level is
a. 2.
b. 3.
c. 4.
d. 8.
____ 10. The main energy level that can hold only two electrons is the
a. first.
c. third.
b. second.
d. fourth.
____ 11. What is the electron configuration for nitrogen, atomic number 7?
a. 1s2 2s2 2p3
b. 1s2 2s3 2p2
c. 1s2 2s3 2p1
d. 1s2 2s2 2p2 3s1
____ 12. The number of electrons in the highest energy level of the argon atom (atomic number 18) is
a. 10.
c. 6.
b. 2.
d. 8.
____ 13. Which label identifies the amplitude of the wave shown?
a. A
c. C
b. B
d. D
____ 14. Which type of orbital is shown?
a. s
b. p
c. d
d. f
____ 15. What is the approximate energy of a photon having a frequency of 4
a. 3 10 J
b. 3 10 J
c. 2 10 J
d. 3 10 J
____ 16. What is the next atomic orbital in the series 1s, 2s, 2p, 3s, 3p?
a. 2d
10 Hz? (h = 6.6
10
J s)
b. 3d
c. 3f
d. 4s
Short Answer
17. Write the name of the element represented by the electron configuration below:
1s22s22p63s23p64s23d104p65s1
Completion
Complete each statement.
18. The minimum amount of energy that can be gained or lost by an atom is known as a ____________________.
19. The arrangement of electrons in an atom is called the ____________________ of an atom.
Matching
Match each item with the correct statement below.
a. atomic orbital
d. ground state
b. aufbau principle
e. Pauli exclusion principle
c. electron configuration
f. Heisenberg uncertainty principle
____ 20. region of high probability of finding an electron
____ 21. states the impossibility of knowing both velocity and position of a moving particle at the same time
____ 22. lowest energy level
____ 23. tendency of electrons to enter orbitals of lowest energy first
____ 24. arrangement of electrons around atomic nucleus
____ 25. each orbital has at most two electrons
Chapter 5 Practice Test
Answer Section
MULTIPLE CHOICE
1. ANS:
OBJ:
2. ANS:
OBJ:
3. ANS:
OBJ:
4. ANS:
OBJ:
5. ANS:
OBJ:
6. ANS:
OBJ:
7. ANS:
OBJ:
8. ANS:
OBJ:
9. ANS:
OBJ:
10. ANS:
OBJ:
11. ANS:
OBJ:
12. ANS:
OBJ:
13. ANS:
NAT:
14. ANS:
NAT:
15. ANS:
OBJ:
STA:
16. ANS:
OBJ:
STA:
B
PTS: 1
DIF: II
REF: 1
1
STA: SC.A.2.4.6
C
PTS: 1
DIF: I
REF: 1
1
STA: SC.A.2.4.6
D
PTS: 1
DIF: I
REF: 1
1
STA: SC.A.2.4.6
C
PTS: 1
DIF: I
REF: 1
1
STA: SC.A.2.4.6
B
PTS: 1
DIF: II
REF: 1
4
A
PTS: 1
DIF: I
REF: 1
4
C
PTS: 1
DIF: III
REF: 1
4
A
PTS: 1
DIF: II
REF: 2
5
STA: SC.A.1.4.1
C
PTS: 1
DIF: II
REF: 2
5
STA: SC.A.1.4.1
A
PTS: 1
DIF: I
REF: 3
1
STA: SC.A.2.4.5
A
PTS: 1
DIF: II
REF: 3
3
STA: SC.A.2.4.5
D
PTS: 1
DIF: II
REF: 3
3
STA: SC.A.2.4.5
B
PTS: 1
DIF: Bloom's Level 2|DOK 1
UCP.2
STA: SC.A.2.4.6
B
PTS: 1
DIF: Bloom's Level 1|DOK 1
UCP.2 | B.1 STA: SC.A.1.4.1
A
PTS: 1
DIF: L2
REF: p. 143 | p. 144
5.3.2 Describe how Einstein explained the photoelectric effect.
SC.912.N.1.1
MSC: analysis
D
PTS: 1
DIF: L2
REF: p. 134
5.2.1 List the three rules for writing the electron configurations of elements.
SC.912.P.8.4
MSC: application
SHORT ANSWER
17. ANS:
Rubidium
PTS: 1
COMPLETION
18. ANS: quantum
PTS:
TOP:
KEY:
19. ANS:
1
DIF: Bloom's Level 1|DOK 1
NAT: B.6
Define a quantum of energy and explain how it is related to an energy change of matter.
Quantum
MSC: 1
electron configuration
PTS: 1
DIF: Bloom's Level 1|DOK 1
NAT: B.6
STA: SC.A.1.4.1
TOP: Apply the Pauli exclusion principle, the aufbau principle, and Hund's rule to write electron
configurations using orbital diagrams and electron configuration notation.
KEY: Electron configuration
MSC: 1
MATCHING
20. ANS:
OBJ:
STA:
21. ANS:
OBJ:
STA:
22. ANS:
OBJ:
STA:
23. ANS:
OBJ:
STA:
24. ANS:
OBJ:
STA:
25. ANS:
OBJ:
STA:
A
PTS: 1
DIF: L1
REF: p. 131
5.1.3 Explain how sublevels of principal energy levels differ.
SC.912.P.10.9 | LA.910.2.2.3
MSC: knowledge
F
PTS: 1
DIF: L1
REF: p. 148
5.3.4 Distinguish between quantum mechanics and classical mechanics.
SC.912.N.1.1
MSC: knowledge
D
PTS: 1
DIF: L1
REF: p. 145
5.3.3 Explain how the frequencies of light are related to changes in electron energies.
SC.912.P.10.18 | SC.912.N.1.1
MSC: knowledge
B
PTS: 1
DIF: L1
REF: p. 134
5.2.1 List the three rules for writing the electron configurations of elements.
SC.912.P.8.4
MSC: knowledge
C
PTS: 1
DIF: L1
REF: p. 134
5.2.1 List the three rules for writing the electron configurations of elements.
SC.912.P.8.4
MSC: knowledge
E
PTS: 1
DIF: L1
REF: p. 134
5.2.1 List the three rules for writing the electron configurations of elements.
SC.912.P.8.4
MSC: knowledge