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Calculate the frequency of the green light emitted by a hydrogen atom with a wavelength of 486.1 nm.


A) 1.462 × 1014 s-1
B) 6.868 × 1014 s-1
C) 4.332 × 1014 s-1
D) 6.172 × 1014 s-1
E) 1.626 × 1014 s-1

F) None of the above
G) A) and D)

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Which of the following quantum numbers describes the orientation of an orbital?


A) magnetic quantum number
B) principal quantum number
C) angular momentum quantum number
D) spin quantum number
E) Schrödinger quantum number

F) B) and E)
G) A) and B)

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Only two electrons, with opposing spins, are allowed in each orbital. What is this known as?


A) Pauli exclusion principle
B) Hund's rule
C) aufbau principle
D) Heisenberg uncertainty principle

E) A) and C)
F) All of the above

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Calculate the frequency of light associated with the transition from n = 2 to n = 3 in the hydrogen atom.


A) 2.19 × 1014 s-1
B) 5.59 × 1014 s-1
C) 4.57 × 1014 s-1
D) 1.79 × 1014 s-1
E) 3.28 × 1014 s-1

F) A) and E)
G) A) and D)

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Each of the following sets of quantum numbers is supposed to specify an orbital. Choose the one set of quantum numbers that does not contain an error.


A) n = 2, l = 2, ml = -1
B) n = 2, l = 2, ml = 0
C) n = 3, l = 2, ml = -3
D) n = 4, l = 3, ml = -2
E) n = 4, l = 2, ml = +4

F) A) and D)
G) C) and D)

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Choose the paramagnetic species from below.


A) Ti4
B) O
C) Ar
D) All of the above are paramagnetic.
E) None of the above is paramagnetic.

F) None of the above
G) A) and B)

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Calculate the wavelength of light emitted from a hydrogen atom when an electron undergoes an n = 8 to n = 4 transmission.


A) 1940 nm
B) 2620 nm
C) 1.245 × 103 nm
D) 3.178 × 103 nm
E) 714.8 nm

F) B) and E)
G) D) and E)

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How much energy (in kJ) is required to ionize 2.78 moles of hydrogen atoms?


A) 2.74 × 103 kJ
B) 4.72 × 103 kJ
C) 1.66 × 103 kJ
D) 3.65 × 103 kJ
E) 5.89 × 103 kJ

F) A) and D)
G) B) and D)

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How many sublevels are contained in the second shell (n = 2) of a given atom?


A) 1
B) 2
C) 9
D) 4
E) 3

F) B) and C)
G) A) and D)

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Determine the velocity of a marble (mass = 8.66 g) with a wavelength of 3.46 × 10-33 m.


A) 45.2 m s-1
B) 11.3 m s-1
C) 22.1 m s-1
D) 38.8 m s-1
E) 52.9 m s-1

F) B) and D)
G) C) and E)

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