Question 1

Calculate the frequency of visible light having a wavelength of 589.3 nm.

Accepted Answer

A)  176.7 s-1
B)  1.966 × 10-15 s-1
C)  1.391 × 10-11 s-1
D)  5.091 × 1014 s-1
E)  5.660 × 103 s-1F) A) and C)
G) A) and D)

Question 2

Calculate the wavelength of the transition from n = 2 to n = 3 for an ion with a single electron, where the charge on the ion is +2.Hint: Use the Rydberg equation when calculating transition wavelength.

Accepted Answer

The answer of Calculate the wavelength of the transition from...

Question 3

For every value of n, there is an s subshell.

Accepted Answer

A) True 
 B)False

Question 4

The frequency of a wave is related to the energy of the radiation.

Accepted Answer

A) True 
 B)False

Question 5

An electron behaves as if it were spread out in space around the nucleus in a sort of ________.

Accepted Answer

The answer of An electron behaves as if it were...

Question 6

Which atom has the largest first ionization energy?

Accepted Answer

A)  Al
B)  Sr
C)  Ga
D)  Cr
E)  FrF) A) and E)
G) None of the above

Question 7

The maximum number of electrons in an atom that can have the following exact same set of quantum numbers is ________.

Accepted Answer

The answer of The maximum number of electrons in an...

Question 8

The number of orbitals in a subshell with l = 3 is ________.

Accepted Answer

The answer of The number of orbitals in a subshell...

Question 9

Which radiation has the longest wavelength?

Accepted Answer

A)  infrared radiation
B)  radio waves
C)  microwave radiation
D)  ultraviolet rays
E)  X-raysF) A) and E)
G) B) and E)

Question 10

Which of the following gives a possible quantum number assignment for the last electron added to the sodium atom when developing the electron configuration using the aufbau principle?

Accepted Answer

The answer of Which of the following gives a possible...

Question 11

Which placement of electrons is never encountered in the ground state configuration of an atom?

Accepted Answer

A)  3d4 with 4 unpaired electrons
B)  3d7 with 7 unpaired electrons
C)  3p1 with 1 unpaired electron
D)  3d9 with 1 unpaired electron
E)  4f 7 with 7 unpaired electronsF) A) and B)
G) D) and E)

Question 12

The number of orbitals in a d subshell is ________.

Accepted Answer

The answer of The number of orbitals in a d...

Question 13

A correct description for the electron configuration of an iron atom is

Accepted Answer

A)  [Ar] 3s2 3d6, paramagnetic.
B)  [Ar] 4s2 3d6, diamagnetic.
C)  [Ar] 4s1 3d7, paramagnetic.
D)  [Ar] 3d8, paramagnetic.
E)  [Ar] 4s2 3d6, paramagnetic.F) A) and E)
G) None of the above

Question 14

Generally speaking, both anions and cations have larger radii than their parent atoms.

Accepted Answer

A) True 
 B)False

Question 15

Which one of the following types of radiation has the lowest frequency?

Accepted Answer

A)  radio waves
B)  infrared radiation
C)  microwave radiation
D)  X-rays
E)  ultraviolet raysF) A) and B)
G) A) and D)

Question 16

An electron with an n = 2 quantum number may also have a quantum number l = 2.

Accepted Answer

A) True 
 B)False

Question 17

The notation for the subshell with n = 4 and l = 2 is

Accepted Answer

A)  4d subshell.
B)  4p subshell.
C)  4f subshell.
D)  4s subshell.
E)  There is no subshell fitting this description.F) C) and E)
G) B) and E)

Question 18

The definite energies associated with specific wavelengths in the emission spectrum of atomic hydrogen suggest that

Accepted Answer

A)  electrons have a smaller rest mass than photons.
B)  photons have a smaller rest mass than electrons.
C)  energy states of the electron in the hydrogen atom are quantized.
D)  atomic hydrogen is more stable and has a lower potential energy than molecular hydrogen.
E)  the potential energy of electrons in the atom can have any arbitrary value over a period of time, but the kinetic energy may only have certain specific values.F) A) and E)
G) C) and D)

Question 19

In the Rydberg equation, if n1 = 1, an acceptable value of n2 is ________.

Accepted Answer

Question 20

What is the wavelength of radiation which has an energy of 216.1 kJ per mole of photons?

Accepted Answer

A)  655.9 nm
B)  546.1 nm
C)  108.8 nm
D)  589.3 nm
E)  977.7 nmF) C) and E)
G) All of the above

Exam 8: The Quantum Mechanical Atom

Generally speaking, both anions and cations have larger radii than their parent atoms.

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A correct description for the electron configuration of an iron atom is

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The number of orbitals in a d subshell is ________.

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Calculate the frequency of visible light having a wavelength of 589.3 nm.

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Which one of the following types of radiation has the lowest frequency?

Correct AnswerverifiedShow Answer

Which of the following gives a possible quantum number assignment for the last electron added to the sodium atom when developing the electron configuration using the aufbau principle?

Correct AnswerverifiedShow Answer

Which atom has the largest first ionization energy?

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What is the wavelength of radiation which has an energy of 216.1 kJ per mole of photons?

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The notation for the subshell with n = 4 and l = 2 is

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An electron with an n = 2 quantum number may also have a quantum number l = 2.

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For every value of n, there is an s subshell.

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The frequency of a wave is related to the energy of the radiation.

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In the Rydberg equation, if n1 = 1, an acceptable value of n2 is ________.

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Which placement of electrons is never encountered in the ground state configuration of an atom?

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An electron behaves as if it were spread out in space around the nucleus in a sort of ________.

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The definite energies associated with specific wavelengths in the emission spectrum of atomic hydrogen suggest that

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The maximum number of electrons in an atom that can have the following exact same set of quantum numbers is ________.

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Calculate the wavelength of the transition from n = 2 to n = 3 for an ion with a single electron, where the charge on the ion is +2.Hint: Use the Rydberg equation when calculating transition wavelength.

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The number of orbitals in a subshell with l = 3 is ________.

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Which radiation has the longest wavelength?

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In the Rydberg equation, if n₁ = 1, an acceptable value of n₂ is ________.

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