Question 1

Each of the following sets of quantum numbers is supposed to specify an orbital.Which of the following sets of quantum numbers contains an error?

Accepted Answer

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

Question 2

Define constructive interference.

Accepted Answer

Waves comb...

Question 3

Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.

Accepted Answer

A)   4.85 × 10-19 J
B)   2.06 × 10-19 J
C)   1.23 × 10-19 J
D)   8.13 × 10-19 J
E)   5.27 x 10-19 JF) A) and E)
G) A) and D)

Question 4

What are the possible values of n and ml for an electron in a 4d orbital?

Accepted Answer

A)   n = 1, 2, 3, or 4 and ml = 2
B)   n = 1, 2, 3, or 4 and ml = -2, -1, 0, +1, or +2
C)   n = 4 and ml = 2
D)   n = 5 and ml = -2, -1, 0, +1, +2E) A) and B)
F) B) and C)

Question 5

How many orbitals are there in the seventh shell?

Accepted Answer

A)   2
B)   6
C)   21
D)   49
E)   7F) C) and E)
G) A) and E)

Question 6

Calculate the energy change associated with the transition from -18 J B)  +1.64 × 10-18 J C)  -6.12 × 10-18 J D)  +3.55 × 10-18 J E)  -2.04 × 10-18 J" class="answers-bank-image d-inline" rel="preload" > in the hydrogen atom.

Accepted Answer

A)   +4.89 × 10-18 J
B)   +1.64 × 10-18 J
C)   -6.12 × 10-18 J
D)   +3.55 × 10-18 J
E)   -2.04 × 10-18 JF) B) and E)
G) All of the above

Question 7

Describe the shape of a 2px orbital.

Accepted Answer

A)   spherical
B)   dumbbell shaped
C)   three balls
D)   four balls
E)   eight ballsF) A) and D)
G) B) and E)

Question 8

Calculate the wavelength of a baseball (m = 155 g) moving at 32.5 m/s.

Accepted Answer

A)   7.60 × 10-36 m
B)   1.32 × 10-34 m
C)   2.15 × 10-32 m
D)   2.68 × 10-34 m
E)   3.57 × 10-32 mF) A) and E)
G) A) and D)

Question 9

Give the numbers for ml for an f orbital.

Accepted Answer

A)   0, +1, +2, +3, +4
B)   +1, +2, +3
C)   -3, -2, -1, 0, +1, +2, +3
D)   -2, -1, 0, +1, +2
E)   -2, -1, 0F) A) and D)
G) A) and C)

Question 10

Which of the following visible colors of light has the highest frequency?

Accepted Answer

A)   green
B)   red
C)   blue
D)   yellow
E)   orangeF) A) and B)
G) A) and C)

Question 11

Calculate the wavelength (in nm) of the red light emitted by a neon sign with a frequency of 4.76 × 1014 Hz.

Accepted Answer

A)   630 nm
B)   159 nm
C)   476 nm
D)   776 nm
E)   176 nmF) B) and C)
G) C) and E)

Question 12

Determine the end (final) value of n in a hydrogen atom transition,if the electron starts in  and the atom emits a photon of light with a wavelength of 486 nm.

Accepted Answer

A)   1
B)   5
C)   3
D)   4
E)   2F) All of the above
G) B) and E)

Question 13

What value of l is represented by a f orbital?

Accepted Answer

A)   1
B)   2
C)   0
D)   3E) A) and B)
F) A) and C)

Question 14

The de Broglie wavelength of an electron with a velocity of 6.90 × 106 m/s is ________ m.The mass of the electron is 9.11 × 10-28 g.

Accepted Answer

A)   9.49 × 109
B)   9.49 × 1012
C)   1.05 × 10-16
D)   1.05 × 10-13
E)   1.05 × 10-10F) A) and E)
G) A) and D)

Exam 7: The Quantum-Mechanical Model of the Atom

Each of the following sets of quantum numbers is supposed to specify an orbital.Which of the following sets of quantum numbers contains an error?

Correct Answer
verified

Calculate the wavelength (in nm) of the red light emitted by a neon sign with a frequency of 4.76 × 10¹⁴ Hz.

Correct Answer
verified

What value of l is represented by a f orbital?

Correct Answer
verified

Determine the end (final) value of n in a hydrogen atom transition,if the electron starts in and the atom emits a photon of light with a wavelength of 486 nm.

Correct Answer
verified

Give the numbers for m_l for an f orbital.

Correct Answer
verified

Define constructive interference.

Correct Answer
verified
Waves comb...
View Answer

The de Broglie wavelength of an electron with a velocity of 6.90 × 10⁶ m/s is ________ m.The mass of the electron is 9.11 × 10^-²⁸ g.

Correct Answer
verified

Calculate the wavelength of a baseball (m = 155 g) moving at 32.5 m/s.

Correct Answer
verified

Which of the following visible colors of light has the highest frequency?

Correct Answer
verified

How many orbitals are there in the seventh shell?

Correct Answer
verified

Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.

Correct Answer
verified

Describe the shape of a 2p_x orbital.

Correct Answer
verified

What are the possible values of n and m_l for an electron in a 4d orbital?

Correct Answer
verified

Calculate the energy change associated with the transition from in the hydrogen atom.

Correct Answer
verified

Exam 7: The Quantum-Mechanical Model of the Atom

Each of the following sets of quantum numbers is supposed to specify an orbital.Which of the following sets of quantum numbers contains an error?

Correct AnswerverifiedShow Answer

Calculate the wavelength (in nm) of the red light emitted by a neon sign with a frequency of 4.76 × 1014 Hz.

Correct AnswerverifiedShow Answer

What value of l is represented by a f orbital?

Correct AnswerverifiedShow Answer

Determine the end (final) value of n in a hydrogen atom transition,if the electron starts in and the atom emits a photon of light with a wavelength of 486 nm.

Correct AnswerverifiedShow Answer

Give the numbers for ml for an f orbital.

Correct AnswerverifiedShow Answer

Define constructive interference.

Correct AnswerverifiedWaves comb...View AnswerShow Answer

The de Broglie wavelength of an electron with a velocity of 6.90 × 106 m/s is ________ m.The mass of the electron is 9.11 × 10-28 g.

Correct AnswerverifiedShow Answer

Calculate the wavelength of a baseball (m = 155 g) moving at 32.5 m/s.

Correct AnswerverifiedShow Answer

Which of the following visible colors of light has the highest frequency?

Correct AnswerverifiedShow Answer

How many orbitals are there in the seventh shell?

Correct AnswerverifiedShow Answer

Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.

Correct AnswerverifiedShow Answer

Describe the shape of a 2px orbital.

Correct AnswerverifiedShow Answer

What are the possible values of n and ml for an electron in a 4d orbital?

Correct AnswerverifiedShow Answer

Calculate the energy change associated with the transition from in the hydrogen atom.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Calculate the wavelength (in nm) of the red light emitted by a neon sign with a frequency of 4.76 × 10¹⁴ Hz.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Give the numbers for m_l for an f orbital.

Correct Answer
verified

Correct Answer
verified
Waves comb...
View Answer

The de Broglie wavelength of an electron with a velocity of 6.90 × 10⁶ m/s is ________ m.The mass of the electron is 9.11 × 10^-²⁸ g.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Describe the shape of a 2p_x orbital.

Correct Answer
verified

What are the possible values of n and m_l for an electron in a 4d orbital?

Correct Answer
verified

Correct Answer
verified