Question 1

The energy of a photon that has a frequency of 18.21 × 1015 s- 1 is _ _ J.

Accepted Answer

A)  3.49 × 10- 48 
B)  1.99 × 10- 25 
C)  5.44 × 10- 18 
D)  1.21 × 10- 17 
E)  5.44 × 10- 18. 
A)  3.49 × 10- 48 
B)  1.99 × 10- 25 
C)  5.44 × 10- 18 
D)  1.21 × 10- 17 
E)  5.44 × 10- 18.

Question 2

What is the wavelength (angstroms) of a photon that has an energy of 4.38 × 10- 18J ?

Accepted Answer

A)  454 
B)  6.89 × 1015 
C)  2.30 × 107 
D)  1.45 × 10- 16 
E)  1.31 × 10- 9 
A)  454 
B)  6.89 × 1015 
C)  2.30 × 107 
D)  1.45 × 10- 16 
E)  1.31 × 10- 9

Question 3

Each p- subshell can accommodate a maximum of _ _ electrons.

Accepted Answer

A)  2 
B)  10 
C)  5 
D)  6 
E)  3 
A)  2 
B)  10 
C)  5 
D)  6 
E)  3

Question 4

Ham radio operators often broadcast on the 6- meter band. The frequency of this electromagnetic radiation is _ MHz.

Accepted Answer

A)  50 
B)  20 
C)  2.0 
D)  200 
E)  500 
A)  50 
B)  20 
C)  2.0 
D)  200 
E)  500

Question 5

The n = 5 to n = 3 transition in the Bohr hydrogen atom corresponds to the of a photon with a wavelength of _ nm.

Accepted Answer

A)  emission, 657 
B)  emission, 389 
C)  emission, 1280 
D)  absorption, 1280 
E)  absorption, 657 
A)  emission, 657 
B)  emission, 389 
C)  emission, 1280 
D)  absorption, 1280 
E)  absorption, 657

Question 6

The principal quantum number of the first d subshell is .

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  0 
A)  1 
B)  2 
C)  3 
D)  4 
E)  0

Question 7

The n = 1 shell contains p orbitals. All the other shells contain _ p orbitals.

Accepted Answer

A)  6, 2 
B)  3, 3 
C)  0, 6 
D)  0, 3 
E)  3, 6 
A)  6, 2 
B)  3, 3 
C)  0, 6 
D)  0, 3 
E)  3, 6

Question 8

According to the Heisenberg Uncertainty Principle, it is impossible to know precisely both the position and the _ _ of an electron.

Accepted Answer

A)  velocity 
B)  color 
C)  mass 
D)  shape 
E)  momentum 
A)  velocity 
B)  color 
C)  mass 
D)  shape 
E)  momentum

Question 9

The ground state electron configuration for Zn is _ .

Accepted Answer

A)  [Kr]4s23d10 
B)  [Kr]3s23d10 
C)  [Ar]4s23d10 
D)  [Ar]4s13d10 
E)  [Ar]3s23d10 
A)  [Kr]4s23d10 
B)  [Kr]3s23d10 
C)  [Ar]4s23d10 
D)  [Ar]4s13d10 
E)  [Ar]3s23d10

Question 10

Which one of the following configurations depicts an excited oxygen atom?

Accepted Answer

A)  1s22s22p2 
B)  1s22s22p23s2 
C)  [He]2s22p4 
D)  1s22s22p4 
E)  1s22s22p1 
A)  1s22s22p2 
B)  1s22s22p23s2 
C)  [He]2s22p4 
D)  1s22s22p4 
E)  1s22s22p1

Question 11

The _ subshell contains only one orbital.

Accepted Answer

A)  3d 
B)  5d 
C)  4s 
D)  1p 
E)  6f 
A)  3d 
B)  5d 
C)  4s 
D)  1p 
E)  6f

Question 12

An electron cannot have the quantum numbers n = , l = , ml = .

Accepted Answer

A)  3, 2, - 2 
B)  3, 2, 1 
C)  1, 0, 0 
D)  6, 1, 0 
E)  3, 2, 3 
A)  3, 2, - 2 
B)  3, 2, 1 
C)  1, 0, 0 
D)  6, 1, 0 
E)  3, 2, 3

Question 13

Which one of the following is correct?

Accepted Answer

A)  u ÷ h = c 
B)  h = c u 
C)  u = ch 
D)  uh = c 
E)  u + h = c 
A)  u ÷ h = c 
B)  h = c u 
C)  u = ch 
D)  uh = c 
E)  u + h = c

Question 14

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The frequency of this light is s- 1.

Accepted Answer

A)  5.71 × 105 
B)  1.58 × 102 
C)  1.58 × 1011 
D)  5.71 × 1014 
E)  1.75 × 10- 15 
A)  5.71 × 105 
B)  1.58 × 102 
C)  1.58 × 1011 
D)  5.71 × 1014 
E)  1.75 × 10- 15

Question 15

Of the following, radiation has the longest wavelength and radiation has the greatest energy.
Gamma ultraviolet visible

Accepted Answer

A)  gamma, gamma 
B)  visible, ultraviolet 
C)  ultraviolet, gamma 
D)  gamma, visible 
E)  visible, gamma 
A)  gamma, gamma 
B)  visible, ultraviolet 
C)  ultraviolet, gamma 
D)  gamma, visible 
E)  visible, gamma

Question 16

Which one of the following orbitals can hold two electrons?

Accepted Answer

A)  3s 
B)  4dxy 
C)  2px 
D)  all of the above 
E)  none of the above 
A)  3s 
B)  4dxy 
C)  2px 
D)  all of the above 
E)  none of the above

Question 17

The azimuthal quantum number for the outermost electrons in a nitrogen atom in the ground state is .

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  - 1 
A)  0 
B)  1 
C)  2 
D)  3 
E)  - 1

Question 18

How many p- orbitals are occupied in a Ne atom ?

Accepted Answer

A)  3 
B)  1 
C)  6 
D)  5 
E)  2 
A)  3 
B)  1 
C)  6 
D)  5 
E)  2

Question 19

The energy (J) required for an electronic transition in a Bohr hydrogen atom from n = 2 to n = 3 is (J)

Accepted Answer

A)  3.0 × 10- 19 
B)  - 3.0 × 10- 19 
C)  - 7.9 × 10- 19 
D)  4.6 × 1014 
E)  4.0 × 10- 19 
A)  3.0 × 10- 19 
B)  - 3.0 × 10- 19 
C)  - 7.9 × 10- 19 
D)  4.6 × 1014 
E)  4.0 × 10- 19

Question 20

What is the wavelength of light (nm) that has a frequency of 3.22 × 1014 s- 1 ?

Accepted Answer

A)  649 
B)  9.32 × 10- 7 
C)  9.66 × 1022 
D)  932 
E)  1.07 × 106 
A)  649 
B)  9.32 × 10- 7 
C)  9.66 × 1022 
D)  932 
E)  1.07 × 106

Exam 6: Electronic Structure of Atoms

The energy of a photon that has a frequency of 18.21 × 1015 s- 1 is _ _ J.

What is the wavelength (angstroms) of a photon that has an energy of 4.38 × 10- 18J ?

Each p- subshell can accommodate a maximum of _ _ electrons.

Ham radio operators often broadcast on the 6- meter band. The frequency of this electromagnetic radiation is _ MHz.

The n = 5 to n = 3 transition in the Bohr hydrogen atom corresponds to the of a photon with a wavelength of _ nm.

The principal quantum number of the first d subshell is .

The n = 1 shell contains p orbitals. All the other shells contain _ p orbitals.

According to the Heisenberg Uncertainty Principle, it is impossible to know precisely both the position and the _ _ of an electron.

The ground state electron configuration for Zn is _ .

Which one of the following configurations depicts an excited oxygen atom?

The _ subshell contains only one orbital.

An electron cannot have the quantum numbers n = , l = , ml = .

Which one of the following is correct?

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The frequency of this light is s- 1.

Of the following, radiation has the longest wavelength and radiation has the greatest energy. Gamma ultraviolet visible

Which one of the following orbitals can hold two electrons?

The azimuthal quantum number for the outermost electrons in a nitrogen atom in the ground state is .

How many p- orbitals are occupied in a Ne atom ?

The energy (J) required for an electronic transition in a Bohr hydrogen atom from n = 2 to n = 3 is (J)

What is the wavelength of light (nm) that has a frequency of 3.22 × 1014 s- 1 ?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

The energy of a photon that has a frequency of 18.21 × 10¹⁵s^-¹is _ _ J.

What is the wavelength (angstroms) of a photon that has an energy of 4.38 × 10^-¹⁸J ?

An electron cannot have the quantum numbers n = , l = , m_l= .

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The frequency of this light is s^-¹.

What is the wavelength of light (nm) that has a frequency of 3.22 × 10¹⁴s^-¹?