Question 1

The energy of an electron in the hydrogen atom is determined by

Accepted Answer

A)   the principal quantum number (n)  only.
B)   the angular momentum quantum number (l)  only.
C)   the principal and angular momentum quantum numbers (n & l) .
D)   the principal and magnetic quantum numbers (n & ml) .
E)   the principal, angular momentum, and magnetic quantum numbers.F) B) and D)
G) All of the above

Question 2

Calculate the frequency of visible light having a wavelength of 686 nm. (c = 3.00 × 108 m/s)

Accepted Answer

A)   4.37 × 1014 s-1
B)   4.34 × 105 s-1
C)   6.17 × 1014 s-1
D)   2.29 × 10-15 s-1
E)   2.29 × 10-6 s-1F) B) and E)
G) None of the above

Question 3

How many electrons are in the 4d orbitals of Tc?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) A) and D)
G) A) and C)

Question 4

Why do we only see four lines in the emission spectrum of hydrogen?

Accepted Answer

Only four of the ele...

Question 5

What element is represented by the electron configuration 1s22s22p63s23p64s13d5?

Accepted Answer

A)   Mn
B)   Ca
C)   K
D)   Cr
E)   VF) C) and E)
G) D) and E)

Question 6

De Broglie explained electron movements by relating them to

Accepted Answer

A)   waves only.
B)   particles only.
C)   waves and particles.
D)   None of these choices.E) A) and B)
F) All of the above

Question 7

A neutral atom in its ground state contains 28 electrons. This element is considered a ________ element, and has ________ electrons in orbitals with l = 2.

Accepted Answer

A)   main group, 8
B)   actinide, 10
C)   main group, 10
D)   transition, 10
E)   transition, 8F) A) and D)
G) B) and C)

Question 8

A(n)  ________ is a point at which a standing wave has zero amplitude.

Accepted Answer

A)   crevice
B)   node
C)   pit
D)   burrow
E)   orbitalF) A) and D)
G) B) and D)

Question 9

The electronic structure 1s22s22p63s23p64s23d8 refers to the ground state of

Accepted Answer

A)   Kr.
B)   Ni.
C)   Fe.
D)   Pd.
E)   None of these choices is correct.F) C) and E)
G) B) and E)

Question 10

The principal quantum number designates the size of the orbital.

Accepted Answer

A) True 
 B)False

Question 11

What is defined as the distance between identical points on successive waves?

Accepted Answer

A)   frequency
B)   amplitude
C)   magnitude
D)   wavelength
E)   lightF) A) and D)
G) A) and C)

Question 12

The word ________ is used as an acronym for the amplification of light which is stimulated by the emission of radiation.

Accepted Answer

A)   beam
B)   laser
C)   emit
D)   brighten
E)   lightF) A) and D)
G) None of the above

Question 13

If the energy of a photon is 1.32 × 10-18 J, what is its wavelength in nm (c = 3.00 × 108 m/s; h = 6.63 × 10-34 J • s) ?

Accepted Answer

A)   1.51 × 10-7 nm
B)   151 nm
C)   1.99 × 1015 nm
D)   1.99 × 1024 nm
E)   None of these choices is correct.F) B) and D)
G) A) and E)

Question 14

In the ________, electrons are ejected from the surface of a metal exposed to light of a certain minimum frequency.

Accepted Answer

A)   aura effect
B)   photon effect
C)   ritzwald effect
D)   photoelectric effect
E)   None of the answers is correct.F) None of the above
G) A) and B)

Question 15

The shape of an atomic orbital is associated with

Accepted Answer

A)   the principal quantum number (n) .
B)   the angular momentum quantum number (l) .
C)   the magnetic quantum number (ml) .
D)   the spin quantum number (ms) .
E)   the magnetic and spin quantum numbers, together.F) A) and B)
G) A) and D)

Question 16

What is the frequency of light having a wavelength of 360 nm? (c = 3.00 x 108 m/s)

Accepted Answer

A)   8.3 × 1014 s-1
B)   1.2 × 10-6 s-1
C)   8.3 × 105 s-1 
D)   108 s-1
E)   1.2 × 10-15 s-1F) D) and E)
G) A) and D)

Question 17

The electron configuration of a ground-state Co atom is

Accepted Answer

A)   [Ar]4s23d7.
B)   1s22s22p63s23d9.
C)   [Ne]3s23d7.
D)   [Ar]4s13d5.
E)   [Ar]4s24d7.F) D) and E)
G) A) and C)

Question 18

What is the electron configuration for silicon?

Accepted Answer

A)   1s22s22p63s13p3
B)   1s22s22p63s23p2
C)   1s22s22p63s4
D)   1s22s22p63p4
E)   1s22s22p63s23p3F) A) and E)
G) None of the above

Question 19

The frequency of a photon is inversely proportional to the wavelength of the radiation.

Accepted Answer

A) True 
 B)False

Question 20

Atomic orbitals that have the same amount of energy are ________.

Accepted Answer

A)   regenerative
B)   negatively charged
C)   degenerate
D)   positively charged
E)   zwitterionicF) C) and D)
G) A) and D)

Exam 6: Quantum Theory and the Electronic Structure of Atoms

In the ________, electrons are ejected from the surface of a metal exposed to light of a certain minimum frequency.

Correct AnswerverifiedShow Answer

Atomic orbitals that have the same amount of energy are ________.

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How many electrons are in the 4d orbitals of Tc?

Correct AnswerverifiedShow Answer

The principal quantum number designates the size of the orbital.

Correct AnswerverifiedShow Answer

A(n) ________ is a point at which a standing wave has zero amplitude.

Correct AnswerverifiedShow Answer

The frequency of a photon is inversely proportional to the wavelength of the radiation.

Correct AnswerverifiedShow Answer

The word ________ is used as an acronym for the amplification of light which is stimulated by the emission of radiation.

Correct AnswerverifiedShow Answer

The energy of an electron in the hydrogen atom is determined by

Correct AnswerverifiedShow Answer

Calculate the frequency of visible light having a wavelength of 686 nm. (c = 3.00 × 108 m/s)

Correct AnswerverifiedShow Answer

What element is represented by the electron configuration 1s22s22p63s23p64s13d5?

Correct AnswerverifiedShow Answer

What is defined as the distance between identical points on successive waves?

Correct AnswerverifiedShow Answer

The electron configuration of a ground-state Co atom is

Correct AnswerverifiedShow Answer

The electronic structure 1s22s22p63s23p64s23d8 refers to the ground state of

Correct AnswerverifiedShow Answer

What is the electron configuration for silicon?

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A neutral atom in its ground state contains 28 electrons. This element is considered a ________ element, and has ________ electrons in orbitals with l = 2.

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Why do we only see four lines in the emission spectrum of hydrogen?

Correct AnswerverifiedOnly four of the ele...View AnswerShow Answer

The shape of an atomic orbital is associated with

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What is the frequency of light having a wavelength of 360 nm? (c = 3.00 x 108 m/s)

Correct AnswerverifiedShow Answer

De Broglie explained electron movements by relating them to

Correct AnswerverifiedShow Answer

If the energy of a photon is 1.32 × 10-18 J, what is its wavelength in nm (c = 3.00 × 108 m/s; h = 6.63 × 10-34 J • s) ?

Correct AnswerverifiedShow Answer

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Calculate the frequency of visible light having a wavelength of 686 nm. (c = 3.00 × 10⁸m/s)

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What element is represented by the electron configuration 1s²2s²2p⁶3s²3p⁶4s¹3d⁵?

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The electronic structure 1s²2s²2p⁶3s²3p⁶4s²3d⁸ refers to the ground state of

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A neutral atom in its ground state contains 28 electrons. This element is considered a element, and has electrons in orbitals with l = 2.

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Only four of the ele...
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If the energy of a photon is 1.32 × 10^-18 J, what is its wavelength in nm (c = 3.00 × 10⁸m/s; h = 6.63 × 10^-34 J • s) ?

Correct Answer
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