Question 1

What is the maximum number of s orbitals that are possible?

Accepted Answer

A) 1 
B) 3 
C) 7 
D) 5 
E) 9 
A) 1 
B) 3 
C) 7 
D) 5 
E) 9

Question 2

Determine the end (final)value of n in a hydrogen atom transition if the electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 × 10-18 J.

Accepted Answer

A) 3 
B) 4 
C) 2 
D) 5 
E) 6 
A) 3 
B) 4 
C) 2 
D) 5 
E) 6

Question 3

Calculate the wavelength of a baseball (m = 155 g)moving at 32.5 m s-1.

Accepted Answer

A) 7.60 × 10-36 m 
B) 1.32 × 10-34 m 
C) 2.15 × 10-32 m 
D) 2.68 × 10-34 m 
E) 3.57 × 10-32 m 
A) 7.60 × 10-36 m 
B) 1.32 × 10-34 m 
C) 2.15 × 10-32 m 
D) 2.68 × 10-34 m 
E) 3.57 × 10-32 m

Question 4

An electron ends in orbital n = 4 after a hydrogen atom emits a photon with a wavelength of 2165 nm. Calculate the initial orbital, ni.

Accepted Answer

A) 6 
B) 7 
C) 1 
D) 3 
E) 2 
A) 6 
B) 7 
C) 1 
D) 3 
E) 2

Question 5

An electron initially in the n = 5 orbital of a hydrogen atom emits a photon with a wavelength of 1284 nm. Calculate the final orbital, nf.

Accepted Answer

A) 1 
B) 3 
C) 2 
D) 6 
E) 4 
A) 1 
B) 3 
C) 2 
D) 6 
E) 4

Question 6

Choose the orbital diagram that represents the ground state of N.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 7

Place the following types of electromagnetic radiation in order of decreasing energy. ultraviolet light radio waves microwaves

Accepted Answer

A) radio waves > microwaves > ultraviolet light 
B) ultraviolet light > microwaves > radio waves 
C) radio waves > ultraviolet light > microwaves 
D) ultraviolet light > radio waves > microwaves 
E) microwaves > radio waves > ultraviolet light 
A) radio waves > microwaves > ultraviolet light 
B) ultraviolet light > microwaves > radio waves 
C) radio waves > ultraviolet light > microwaves 
D) ultraviolet light > radio waves > microwaves 
E) microwaves > radio waves > ultraviolet light

Question 8

Which of the following colours of electromagnetic radiation has the shortest wavelength?

Accepted Answer

A) blue 
B) violet 
C) orange 
D) green 
E) yellow 
A) blue 
B) violet 
C) orange 
D) green 
E) yellow

Question 9

Calculate the orbital for the hydrogen atom that contains an electron with an energy of -4.45 × 10-20 J.

Accepted Answer

A) n = 5 
B) n = 4 
C) n = 1 
D) n = 3 
E) n = 7 
A) n = 5 
B) n = 4 
C) n = 1 
D) n = 3 
E) n = 7

Question 10

Calculate the frequency of light associated with the transition from n = 2 to n = 3 in the hydrogen atom.

Accepted Answer

A) 2.19 × 1014 s-1 
B) 5.59 × 1014 s-1 
C) 4.57 × 1014 s-1 
D) 1.79 × 1014 s-1 
E) 3.28 × 1014 s-1 
A) 2.19 × 1014 s-1 
B) 5.59 × 1014 s-1 
C) 4.57 × 1014 s-1 
D) 1.79 × 1014 s-1 
E) 3.28 × 1014 s-1

Question 11

It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n = 1 to n = ∞.

Accepted Answer

A) -2.18 × 10-18 J 
B) +2 .18 × 10-18 J 
C) +4.59 × 10-18 J 
D) -4.59 × 10-18 J 
E) +4.36 × 10-18 J 
A) -2.18 × 10-18 J 
B) +2 .18 × 10-18 J 
C) +4.59 × 10-18 J 
D) -4.59 × 10-18 J 
E) +4.36 × 10-18 J

Question 12

The complete electron configuration of argon, element 18, is ________.

Accepted Answer

A) 1s22s22p63s23p6 
B) 1s22s22p103s23p2 
C) 1s42s42p63s4  
D) 1s42s42p10 
E) 1s62s62p23s4  
A) 1s22s22p63s23p6 
B) 1s22s22p103s23p2 
C) 1s42s42p63s4  
D) 1s42s42p10 
E) 1s62s62p23s4

Question 13

Describe how a neon light works.

Accepted Answer

A neon sign contains glass tub

Question 14

Determine the end (final)value of n in a hydrogen atom transition if the electron starts in n = 2 and the atom absorbs a photon of light with a frequency of 4.57 × 1014 Hz.

Accepted Answer

A) 3 
B) 1 
C) 4 
D) 6 
E) 7 
A) 3 
B) 1 
C) 4 
D) 6 
E) 7

Question 15

It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy (in kJ)for a mole of hydrogen atoms, making the assumption that ionization is the transition from n = 1 to n = ∞.

Accepted Answer

A) 7.62 × 103 kJ 
B) 2.76 × 103 kJ 
C) 1.31 × 103 kJ 
D) 3.62 × 103 kJ 
E) 5.33 × 103 kJ 
A) 7.62 × 103 kJ 
B) 2.76 × 103 kJ 
C) 1.31 × 103 kJ 
D) 3.62 × 103 kJ 
E) 5.33 × 103 kJ

Question 16

Which of the following statements is TRUE?

Accepted Answer

A) The principal quantum number (n)describes the shape of an orbital. 
B) The angular momentum quantum number (l)describes the the size and energy associated with an orbital. 
C) The magnetic quantum number (ml)describes the orientation of the orbital. 
D) An orbital is the path that an electron follows during its movement in an atom. 
E) All of the above are true. 
A) The principal quantum number (n)describes the shape of an orbital. 
B) The angular momentum quantum number (l)describes the the size and energy associated with an orbital. 
C) The magnetic quantum number (ml)describes the orientation of the orbital. 
D) An orbital is the path that an electron follows during its movement in an atom. 
E) All of the above are true.

Question 17

Calculate the wavelength of light absorbed by a hydrogen atom when an electron undergoes an n = 2 to n = 4 transmission.

Accepted Answer

A) 433.9 nm 
B) 410.0 nm 
C) 1093 nm 
D) 486.0 nm 
E) 3295 nm 
A) 433.9 nm 
B) 410.0 nm 
C) 1093 nm 
D) 486.0 nm 
E) 3295 nm

Question 18

Calculate the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49 × 1014 Hz.

Accepted Answer

A) 2.75 × 10-19 J 
B) 3.64 × 10-19 J 
C) 5.46 × 10-19 J 
D) 1.83 × 10-19 J 
E) 4.68 × 10-19 J 
A) 2.75 × 10-19 J 
B) 3.64 × 10-19 J 
C) 5.46 × 10-19 J 
D) 1.83 × 10-19 J 
E) 4.68 × 10-19 J

Question 19

How many different values of l are possible in the third principal level?

Accepted Answer

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

Question 20

How many of the following species are diamagnetic? Cs Zr2⁺ Al3⁺ Hg2⁺

Accepted Answer

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

Exam 7: The Quantum-Mechanical Model of the Atom

What is the maximum number of s orbitals that are possible?

Determine the end (final)value of n in a hydrogen atom transition if the electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 × 10-18 J.

Calculate the wavelength of a baseball (m = 155 g)moving at 32.5 m s-1.

An electron ends in orbital n = 4 after a hydrogen atom emits a photon with a wavelength of 2165 nm. Calculate the initial orbital, ni.

An electron initially in the n = 5 orbital of a hydrogen atom emits a photon with a wavelength of 1284 nm. Calculate the final orbital, nf.

Choose the orbital diagram that represents the ground state of N.

Place the following types of electromagnetic radiation in order of decreasing energy. ultraviolet light radio waves microwaves

Which of the following colours of electromagnetic radiation has the shortest wavelength?

Calculate the orbital for the hydrogen atom that contains an electron with an energy of -4.45 × 10-20 J.

Calculate the frequency of light associated with the transition from n = 2 to n = 3 in the hydrogen atom.

It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n = 1 to n = ∞.

The complete electron configuration of argon, element 18, is ________.

Describe how a neon light works.

Determine the end (final)value of n in a hydrogen atom transition if the electron starts in n = 2 and the atom absorbs a photon of light with a frequency of 4.57 × 1014 Hz.

It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy (in kJ)for a mole of hydrogen atoms, making the assumption that ionization is the transition from n = 1 to n = ∞.

Which of the following statements is TRUE?

Calculate the wavelength of light absorbed by a hydrogen atom when an electron undergoes an n = 2 to n = 4 transmission.

Calculate the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49 × 1014 Hz.

How many different values of l are possible in the third principal level?

How many of the following species are diamagnetic? Cs Zr2⁺ Al3⁺ Hg2⁺

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Determine the end (final)value of n in a hydrogen atom transition if the electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 × 10^-18 J.

Calculate the wavelength of a baseball (m = 155 g)moving at 32.5 m s^-1.

An electron ends in orbital n = 4 after a hydrogen atom emits a photon with a wavelength of 2165 nm. Calculate the initial orbital, n_i.

An electron initially in the n = 5 orbital of a hydrogen atom emits a photon with a wavelength of 1284 nm. Calculate the final orbital, n_f.

Calculate the orbital for the hydrogen atom that contains an electron with an energy of -4.45 × 10^-20 J.

Determine the end (final)value of n in a hydrogen atom transition if the electron starts in n = 2 and the atom absorbs a photon of light with a frequency of 4.57 × 10¹⁴ Hz.

Calculate the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49 × 10¹⁴ Hz.

How many of the following species are diamagnetic? Cs Zr²⁺ Al³⁺ Hg²⁺