Question 1

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

Accepted Answer

A)  crevice 
B)  node 
C)  pit 
D)  burrow 
E)  orbital 
A)  crevice 
B)  node 
C)  pit 
D)  burrow 
E)  orbital

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-1 
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-1

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

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. 
A)  waves only. 
B)  particles only. 
C)  waves and particles. 
D)  None of these choices.

Question 5

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. 
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.

Question 6

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-1 
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-1

Question 7

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. 
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.

Question 8

What is the electron configuration for silicon?

Accepted Answer

A)  1s22s22p63s13p3 
B)  1s22s22p63s23p2 
C)  1s22s22p63s4 
D)  1s22s22p63p4 
E)  1s22s22p63s23p3 
A)  1s22s22p63s13p3 
B)  1s22s22p63s23p2 
C)  1s22s22p63s4 
D)  1s22s22p63p4 
E)  1s22s22p63s23p3

Question 9

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

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 10

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

Accepted Answer

Only four of the ele

Question 11

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

Question 12

The principal quantum number designates the size of the orbital.

Accepted Answer

A) True 
 B)False

Question 13

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. 
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.

Question 14

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

Accepted Answer

A)  frequency 
B)  amplitude 
C)  magnitude 
D)  wavelength 
E)  light 
A)  frequency 
B)  amplitude 
C)  magnitude 
D)  wavelength 
E)  light

Question 15

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

Question 16

What element is represented by the electron configuration 1s22s22p63s23p64s13d5?

Accepted Answer

A)  Mn 
B)  Ca 
C)  K 
D)  Cr 
E)  V 
A)  Mn 
B)  Ca 
C)  K 
D)  Cr 
E)  V

Question 17

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)  light 
A)  beam 
B)  laser 
C)  emit 
D)  brighten 
E)  light

Question 18

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

Question 19

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

Accepted Answer

A)  regenerative 
B)  negatively charged 
C)  degenerate 
D)  positively charged 
E)  zwitterionic 
A)  regenerative 
B)  negatively charged 
C)  degenerate 
D)  positively charged 
E)  zwitterionic

Question 20

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

Exam 6: Quantum Theory and the Electronic Structure of Atoms

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

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

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

De Broglie explained electron movements by relating them to

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)?

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

The shape of an atomic orbital is associated with

What is the electron configuration for silicon?

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

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

The electron configuration of a ground-state Co atom is

The principal quantum number designates the size of the orbital.

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

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

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

What element is represented by the electron configuration 1s22s22p63s23p64s13d5?

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

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

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

The electronic structure 1s22s22p63s23p64s23d8 refers to the ground state of

Chemistry: the Central Science

Atoms, Molecules, and Ions

Stoichiometry: Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Electron Configuration and the Periodic Table

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Bonding Theories

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Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

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Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy, Free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

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Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

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

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)?

What element is represented by the electron configuration 1s²2s²2p⁶3s²3p⁶4s¹3d⁵?

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

The electronic structure 1s²2s²2p⁶3s²3p⁶4s²3d⁸ refers to the ground state of