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Test Bank For Chemical Principles 8th Edition by Peter Atkins; Loretta Jones; Leroy Laverman; Kelley Young; James Patterson Chapter 1-10$18.48
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Test Bank For
Chemical Principles 8e Peter Atkins; Loretta Jones; Leroy Laverman; Kelley Young; James Patterson
Focus1-10
Focus 1
Indicate the answer choice that best completes the statement or answers the question.
1. What is the only secondary quantum number associated with the 4s orbital?
a. l = 0
b. l = 1
c. l = 2
d. l = 3
e. l = 4
2. What are the subshell notation and the number of orbitals having the quantum numbers n = 4, l = 3?
a. 4d and 5
b. 4p and 3
c. 3f and 7
d. 3d and 5
e. 4f and 7
–1
3. Calculate the wavelength of a motorcycle of mass 275 kg traveling at a speed of 125 km·hr .
a. 6.94 × 10–38 m
b. 1.93 × 10–38 m
c. 1.93 × 10–41 m
d. 2.41 × 10–36 m
e. 2.08 × 10–29 m
4. How many unpaired electrons are in a chromium trivalent ion?
a. 0
b. 5
c. 6
d. 4
e. 3
5. Which of the following species is isoelectronic with Kr?
a. K+
b. Cl–
c. Ar
d. Xe
,Name: Class: Date:
e. Sr2+
6. How many unpaired electrons are in a chromium atom?
a. 0
b. 5
c. 6
d. 4
e. 3
7. Consider the following ground-state electronic configurations. Which atom has the highest electron affinity?
a. [He] 2s22p5
b. [He] 2s22p3
c. [He] 2s22p1
d. [He] 2s22p4
13
8. What is the wavelength of radiation with a frequency of 2.3 × 10 Hz?
a. 3.0 × 108 m
b. 7.6 × 105 cm
c. 7.6 × 105 m
d. 1.3 × 10-5 cm
e. 1.3 × 10-5 m
16 -1
9. If radiation has a frequency of 3.1 × 10 s , what is its wavelength?
a. 1.0 × 108 cm
b. 1.0 × 10-8 cm
c. 1.0 × 108 m
d. 1.0 × 10-8 m
e. 3.0 × 10-8 m
2+
10. Write the ground-state electron configuration of Pb .
a. [Xe]4f145d56s16p6
b. [Xe]4f145d106s2
c. [Xe]4f145d56s26p5
d. [Xe]4f145d106s16p1
e. [Xe]4f145d106p2
11. Which set of quantum numbers cannot exist for an electron?
a. n = 1, l = 0, ml = 0, ms = +½
,Name: Class: Date:
b. n = 2, l = 1, ml = 1, ms = +½
c. n = 3, l = 0, ml = 0, ms = +½
d. n = 1, l = 0, ml = 1, ms = −½
e. n = 2, l = 1, ml = −1, ms = −½
15 -1
12. What is the energy of a mole of photons with a frequency of 2.9 × 10 s ?
a. 1.2 × 106 J/mol
b. 1.2 × 109 J/mol
c. 8.3 × 10–7 J/mol
d. 8.3 × 107 J/mol
e. 6.7 × 106 J/mol
13. Which of the following statements is incorrect?
a. For a one-dimensional particle in a box, as the mass of the particle becomes larger the separation
between neighboring energy levels increases.
b. For a one-dimensional particle in a box, the separation between neighboring energy levels increases
as the length of the container increases.
c. For a one-dimensional particle in a box, the energy separation between neighboring energy levels has
2 2
the value h /8mL when the walls of the box are infinitely far apart.
d. Argon atoms in a cylinder can be treated as though their translational energy were quantized.
e. A billiard ball on a table has a completely negligible zero-point energy.
14. Which of the following is the highest frequency electromagnetic radiation?
a. X-radiation.
b. Ultraviolet.
c. Visible light.
d. Microwave.
e. Radio.
15. Which of the following has the largest radius?
a. P3–
b. Cl–
c. K+
d. Cl
e. N3–
7
16. When a mole of photons has the energy 3.3 × 10 J, what is its frequency?
a. 2.6 × 10-15 Hz
b. 2.6 × 1016 Hz
, Name: Class: Date:
c. 8.2 × 10–15 Hz
d. 8.2 × 1016 Hz
e. 13.3 × 10-7 Hz
17. Of the following, which is not an alkali metal?
a. Cs.
b. Fr.
c. K.
d. Rb.
e. Re.
18. The ultraviolet range encompasses what wavelengths?
a. 100 – 450nm.
b. 530 – 580 nm.
c. 1 – 50 nm.
d. 10 – 80 nm.
e. 420 – 500 nm.
19. What is the wavelength of a radio station transmitting at 99.1 MHz?
a. 330 nm
b. 303 nm
c. 0.00303 m
d. 3.03 m
e. 0.330 m
20. What is the principle quantum number for gallium?
a. n = 1
b. n = 2
c. n = 3
d. n = 4
e. n = 5
21. You are caught in a radar trap and hope to show that the speed measured by the radar gun is in error because
of the uncertainty principle. If you assume that the uncertainty in your position is large, say about 10 m, and that
the car has a mass of 2150 kg, what is the uncertainty in the velocity?
a. 1 × 10–33 m·s–1
b. 1 × 10–19 m·s–1
c. 1 × 1033 m·s–1
d. 1 × 1038 m·s–1
e. 1 × 10–38 m·s–1
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