Question 1

The principal quantum number n can have any integer value ranging from

Accepted Answer

A) -∞ to +∞. 
B) 0 to ∞. 
C) 1 to ∞. 
D) 1 to 100. 
A) -∞ to +∞. 
B) 0 to ∞. 
C) 1 to ∞. 
D) 1 to 100.

Question 2

A hydrogen atom with a barely bound electron may have an average radius as large as a bacterium,which is a radius of  
What is the nearest principal quantum number of the atom in this state? The radius for ground state hydrogen is 0.0529 nm.

Accepted Answer

A) 514 
B) 51 
C) 16 
D) 264,650 
A) 514 
B) 51 
C) 16 
D) 264,650

Question 3

How many electrons will fit into a 4f subshell?

Accepted Answer

A) 3 
B) 4 
C) 7 
D) 14 
A) 3 
B) 4 
C) 7 
D) 14

Question 4

The longest wavelength of a photon that can be emitted by a hydrogen atom,for which the initial state is n = 3,is closest to which one of the following values? (c = 3.00 × 108 m/s,h = 6.626 × 10-34 J ∙ s,1 eV = 1.60 × 10-19 J)

Accepted Answer

A) 550 nm 
B) 575 nm 
C) 600 nm 
D) 625 nm 
E) 658 nm 
A) 550 nm 
B) 575 nm 
C) 600 nm 
D) 625 nm 
E) 658 nm

Question 5

If n = 5,which one of the following is not an allowed magnetic quantum number m1?

Accepted Answer

A) 0 
B) 2 
C) 4 
D) 5 
A) 0 
B) 2 
C) 4 
D) 5

Question 6

The wavelength of a ruby laser is 694.3 nm.What is the energy difference between the two energy states for the transition that produces this light? (c = 3.00 × 108 m/s,1 eV = 1.60 × 10-19 J,h = 6.626 × 10-34 J ∙ s)

Accepted Answer

A) 1.54 eV 
B) 1.65 eV 
C) 1.79 eV 
D) 1.81 eV 
A) 1.54 eV 
B) 1.65 eV 
C) 1.79 eV 
D) 1.81 eV

Question 7

Given that the binding energy of the hydrogen atom in its ground state is -13.6 eV,what is the energy when it is in the n = 5 state?

Accepted Answer

A) 2.72 eV 
B) -2.72 eV 
C) 0.544 eV 
D) -0.544 eV 
A) 2.72 eV 
B) -2.72 eV 
C) 0.544 eV 
D) -0.544 eV

Question 8

One of the emission lines described by the original version of Balmer's formula has wavelength  
What is the value of n in Balmer's formula that gives this emission line?

Accepted Answer

A) 11 
B) 12 
C) 13 
D) 14 
A) 11 
B) 12 
C) 13 
D) 14

Question 9

How many values can the magnetic quantum number have in a hydrogen atom for which the orbital angular momentum quantum number is equal to 8?

Accepted Answer

A) 9 
B) 15 
C) 5 
D) 8 
E) 17 
A) 9 
B) 15 
C) 5 
D) 8 
E) 17

Question 10

To which of the following values of n does the shortest wavelength in the Balmer series correspond?

Accepted Answer

A) 3 
B) 5 
C) 7 
D) 1 
E) ∞ (very large) 
A) 3 
B) 5 
C) 7 
D) 1 
E) ∞ (very large)

Question 11

For the ground state of the hydrogen atom,which of the following numbers represents the correct value of the orbital angular momentum quantum number?

Accepted Answer

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

Question 12

A hydrogen atom is in the 6h state.Which one of the following numbers could be an orbital angular momentum quantum number ℓ for that state?

Accepted Answer

A) 5 
B) 6 
C) 7 
D) 8 
E) 9 
A) 5 
B) 6 
C) 7 
D) 8 
E) 9

Question 13

In a hydrogen atom,an electron with n = 7 can exist in how many different quantum states?

Accepted Answer

A) 6 
B) 7 
C) 15 
D) 98 
A) 6 
B) 7 
C) 15 
D) 98

Question 14

The Balmer series is formed by electron transitions in hydrogen that

Accepted Answer

A) end on the n = 1 shell. 
B) begin on the n = 1 shell. 
C) end on the n = 2 shell. 
D) begin on the n = 2 shell. 
E) are between the n = 1 and n = 3 shells. 
A) end on the n = 1 shell. 
B) begin on the n = 1 shell. 
C) end on the n = 2 shell. 
D) begin on the n = 2 shell. 
E) are between the n = 1 and n = 3 shells.

Question 15

How many unique quantum states correspond to the lowest possible energy level of an electron in the hydrogen atom?

Accepted Answer

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

Question 16

How many 2d electron states can an atom have?

Accepted Answer

A) 0 
B) 4 
C) 6 
D) 8 
E) 10 
A) 0 
B) 4 
C) 6 
D) 8 
E) 10

Question 17

The Lyman series is formed by electron transitions in hydrogen that

Accepted Answer

A) end on the n = 1 shell. 
B) begin on the n = 1 shell. 
C) end on the n = 2 shell. 
D) begin on the n = 2 shell. 
E) are between the n = 1 and n = 3 shells. 
A) end on the n = 1 shell. 
B) begin on the n = 1 shell. 
C) end on the n = 2 shell. 
D) begin on the n = 2 shell. 
E) are between the n = 1 and n = 3 shells.

Question 18

What is the shortest wavelength of a photon that can be emitted by a hydrogen atom,for which the initial state is n = 3? (c = 3.00 × 108 m/s,h = 6.626 × 10-34 J ∙ s,1 eV = 1.60 × 10-19 J)

Accepted Answer

A) 822 nm 
B) 850 nm 
C) 103 nm 
D) 91.4 nm 
E) 950 nm 
A) 822 nm 
B) 850 nm 
C) 103 nm 
D) 91.4 nm 
E) 950 nm

Question 19

What is the shortest wavelength in the Paschen series?

Accepted Answer

A) 410.2 nm 
B) 410.2 μm 
C) 365 nm 
D) 820.4 nm 
E) 820.4 μm 
A) 410.2 nm 
B) 410.2 μm 
C) 365 nm 
D) 820.4 nm 
E) 820.4 μm

Question 20

A hydrogen atom makes a downward transition from the  
State to the  
State.Find the wavelength of the emitted photon.(c = 3.00 × 108 m/s,1 eV = 1.60 × 10-19 J,h = 6.626 × 10-34 J ∙ s)

Accepted Answer

A) 2.56 μm 
B) 1.54 μm 
C) 2.05 μm 
D) 3.07 μm 
A) 2.56 μm 
B) 1.54 μm 
C) 2.05 μm 
D) 3.07 μm

Exam 31: Atomic Physics

The principal quantum number n can have any integer value ranging from

A hydrogen atom with a barely bound electron may have an average radius as large as a bacterium,which is a radius of What is the nearest principal quantum number of the atom in this state? The radius for ground state hydrogen is 0.0529 nm.

How many electrons will fit into a 4f subshell?

The longest wavelength of a photon that can be emitted by a hydrogen atom,for which the initial state is n = 3,is closest to which one of the following values? (c = 3.00 × 108 m/s,h = 6.626 × 10-34 J ∙ s,1 eV = 1.60 × 10-19 J)

If n = 5,which one of the following is not an allowed magnetic quantum number m1?

The wavelength of a ruby laser is 694.3 nm.What is the energy difference between the two energy states for the transition that produces this light? (c = 3.00 × 108 m/s,1 eV = 1.60 × 10-19 J,h = 6.626 × 10-34 J ∙ s)

Given that the binding energy of the hydrogen atom in its ground state is -13.6 eV,what is the energy when it is in the n = 5 state?

One of the emission lines described by the original version of Balmer's formula has wavelength What is the value of n in Balmer's formula that gives this emission line?

How many values can the magnetic quantum number have in a hydrogen atom for which the orbital angular momentum quantum number is equal to 8?

To which of the following values of n does the shortest wavelength in the Balmer series correspond?

For the ground state of the hydrogen atom,which of the following numbers represents the correct value of the orbital angular momentum quantum number?

A hydrogen atom is in the 6h state.Which one of the following numbers could be an orbital angular momentum quantum number ℓ for that state?

In a hydrogen atom,an electron with n = 7 can exist in how many different quantum states?

The Balmer series is formed by electron transitions in hydrogen that

How many unique quantum states correspond to the lowest possible energy level of an electron in the hydrogen atom?

How many 2d electron states can an atom have?

The Lyman series is formed by electron transitions in hydrogen that

What is the shortest wavelength of a photon that can be emitted by a hydrogen atom,for which the initial state is n = 3? (c = 3.00 × 108 m/s,h = 6.626 × 10-34 J ∙ s,1 eV = 1.60 × 10-19 J)

What is the shortest wavelength in the Paschen series?

A hydrogen atom makes a downward transition from the State to the State.Find the wavelength of the emitted photon.(c = 3.00 × 108 m/s,1 eV = 1.60 × 10-19 J,h = 6.626 × 10-34 J ∙ s)

Introduction to Physics

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The longest wavelength of a photon that can be emitted by a hydrogen atom,for which the initial state is n = 3,is closest to which one of the following values? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19J)

If n = 5,which one of the following is not an allowed magnetic quantum number m₁?

The wavelength of a ruby laser is 694.3 nm.What is the energy difference between the two energy states for the transition that produces this light? (c = 3.00 × 10⁸ m/s,1 eV = 1.60 × 10^-19J,h = 6.626 × 10^-34 J ∙ s)

What is the shortest wavelength of a photon that can be emitted by a hydrogen atom,for which the initial state is n = 3? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19J)

A hydrogen atom makes a downward transition from the State to the State.Find the wavelength of the emitted photon.(c = 3.00 × 10⁸ m/s,1 eV = 1.60 × 10^-19J,h = 6.626 × 10^-34 J ∙ s)