Question 1

Choose the diamagnetic species from below.

Accepted Answer

A) Sn2⁺ 
B) Br 
C) P 
D) Cr 
E) None of the above is diamagnetic. 
A) Sn2⁺ 
B) Br 
C) P 
D) Cr 
E) None of the above is diamagnetic.

Question 2

Calculate the wavelength of light emitted from a hydrogen atom when an electron undergoes an n = 8 to n = 4 transmission.

Accepted Answer

A) 1940 nm 
B) 2620 nm 
C) 1.245 × 103 nm 
D) 3.178 × 103 nm 
E) 714.8 nm 
A) 1940 nm 
B) 2620 nm 
C) 1.245 × 103 nm 
D) 3.178 × 103 nm 
E) 714.8 nm

Question 3

How much energy (in kJ)do 3.0 moles of photons, all with a wavelength of 655 nm, contain?

Accepted Answer

A) 183 kJ 
B) 303 kJ 
C) 394 kJ 
D) 548 kJ 
E) 254 kJ 
A) 183 kJ 
B) 303 kJ 
C) 394 kJ 
D) 548 kJ 
E) 254 kJ

Question 4

Electromagnetic radiation with a wavelength of 531 nm appears as green light to the human eye. The energy of one photon of this light is 3.74 × 10-19 J. Thus, a laser that emits 1.3 × 10-2 J of energy in a pulse of light at this wavelength produces ________ photons in each pulse.

Accepted Answer

A) 2.9 × 10-17 
B) 9.2 × 10-24 
C) 1.8 × 1019 
D) 3.5 × 1016 
E) 6.5 × 1013 
A) 2.9 × 10-17 
B) 9.2 × 10-24 
C) 1.8 × 1019 
D) 3.5 × 1016 
E) 6.5 × 1013

Question 5

Determine the energy change associated with the transition from n = 2 to n = 5 in the hydrogen atom.

Accepted Answer

A) -2.18 × 10-19 J 
B) +6.54 × 10-19 J 
C) +4.58 × 10-19 J 
D) -1.53 × 10-19 J 
E) +3.76 × 10-19 J 
A) -2.18 × 10-19 J 
B) +6.54 × 10-19 J 
C) +4.58 × 10-19 J 
D) -1.53 × 10-19 J 
E) +3.76 × 10-19 J

Question 6

Determine the velocity of a marble (m = 8.66 g)with a wavelength of 3.46 × 10-33 m.

Accepted Answer

A) 45.2 m s-1 
B) 11.3 m s-1 
C) 22.1 m s-1 
D) 38.8 m s-1 
E) 52.9 m s-1 
A) 45.2 m s-1 
B) 11.3 m s-1 
C) 22.1 m s-1 
D) 38.8 m s-1 
E) 52.9 m s-1

Question 7

Choose the valence orbital diagram that represents the ground state of Zn.

Accepted Answer

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

Question 8

Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.

Accepted Answer

A) 4.85 × 10-19 J 
B) 2.06 × 10-19 J 
C) 1.23 × 10-19 J 
D) 8.13 × 10-19 J 
E) 5.27 × 10-19 J 
A) 4.85 × 10-19 J 
B) 2.06 × 10-19 J 
C) 1.23 × 10-19 J 
D) 8.13 × 10-19 J 
E) 5.27 × 10-19 J

Question 9

Calculate the de Broglie wavelength of an egg with a mass of 60 g travelling at 32.18 m s-1.

Accepted Answer

A) 5.0 × 10-34 m 
B) 2.8 × 10-34 m 
C) 4.9 × 10-34 m 
D) 1.2 × 10-34 m 
E) 3.4 × 10-34 m 
A) 5.0 × 10-34 m 
B) 2.8 × 10-34 m 
C) 4.9 × 10-34 m 
D) 1.2 × 10-34 m 
E) 3.4 × 10-34 m

Question 10

Identify the correct values for a 3p sublevel.

Accepted Answer

A) n = 3, l = 1, ml = 0 
B) n = 2, l = 1, ml = -2 
C) n = 1, l = 0, ml = 0 
D) n = 2, l = 0, ml = 0 
E) n = 4, l = -1, ml = -2 
A) n = 3, l = 1, ml = 0 
B) n = 2, l = 1, ml = -2 
C) n = 1, l = 0, ml = 0 
D) n = 2, l = 0, ml = 0 
E) n = 4, l = -1, ml = -2

Question 11

What are the possible orbitals for n = 3?

Accepted Answer

A) s, p, d 
B) s, p, d, f 
C) s 
D) s, p 
A) s, p, d 
B) s, p, d, f 
C) s 
D) s, p

Question 12

Calculate the wavelength of an electron (m = 9.11 × 10-28 g)moving at 3.66 × 106 m s-1.

Accepted Answer

A) 1.99 × 10-10 m 
B) 5.03 × 10-10 m 
C) 1.81 × 10-10 m 
D) 5.52 × 10-9 m 
E) 2.76 × 10-9 m 
A) 1.99 × 10-10 m 
B) 5.03 × 10-10 m 
C) 1.81 × 10-10 m 
D) 5.52 × 10-9 m 
E) 2.76 × 10-9 m

Question 13

What is the maximum number of d 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 14

Identify the set of four quantum numbers that could represent the last electron added (using the aufbau principle)to the Ne atom.

Accepted Answer

A) n = 3, l = 1, ml = 1, ms = +   
B) n = 3, l = 0, ml = 1, ms = -   
C) n = 3, l = 2, ml =1 , ms = +   
D) n = 2, l = 1, ml = 1, ms = -   
E) n = 3, l =2 , ml = 1, ms = -   
A) n = 3, l = 1, ml = 1, ms = +   
B) n = 3, l = 0, ml = 1, ms = -   
C) n = 3, l = 2, ml =1 , ms = +   
D) n = 2, l = 1, ml = 1, ms = -   
E) n = 3, l =2 , ml = 1, ms = -

Question 15

What are the possible values of l if n = 6?

Accepted Answer

A) 6 
B) 0, 1, 2, 3, 4, or 5 
C) -4, -3, -2, -1, 0, +1, +2, +3, or +4 
D) -5, -4, -3, -2, -1, 0, +1, +2, +3, +4, or +5 
A) 6 
B) 0, 1, 2, 3, 4, or 5 
C) -4, -3, -2, -1, 0, +1, +2, +3, or +4 
D) -5, -4, -3, -2, -1, 0, +1, +2, +3, +4, or +5

Question 16

Calculate the de Broglie wavelength of a pen with a mass of 14.28 g travelling at 16.3 m s-1.

Accepted Answer

A) 1.76 × 10-31 m 
B) 6.43 × 10-37 m 
C) 2.85 × 10-33 m 
D) 8.19 × 10-32 m 
E) 5.30 × 10-34 m 
A) 1.76 × 10-31 m 
B) 6.43 × 10-37 m 
C) 2.85 × 10-33 m 
D) 8.19 × 10-32 m 
E) 5.30 × 10-34 m

Question 17

The vertical height of a wave is called

Accepted Answer

A) wavelength. 
B) amplitude. 
C) frequency. 
D) area. 
E) median. 
A) wavelength. 
B) amplitude. 
C) frequency. 
D) area. 
E) median.

Question 18

Choose the ground-state electron configuration for Ti2⁺.

Accepted Answer

A) [Ar]3d2 
B) [Ar]4s2 
C) [Ar]4s23d2 
D) [Ar]4s23d4 
E) [Ar]3d4 
A) [Ar]3d2 
B) [Ar]4s2 
C) [Ar]4s23d2 
D) [Ar]4s23d4 
E) [Ar]3d4

Question 19

The de Broglie wavelength of an electron with a velocity of 6.00 × 106 m s-1 is ________ m. The mass of the electron is 9.11 × 10-28 g.

Accepted Answer

A) 8.25 × 109 
B) 8.25 × 1012 
C) 1.21 × 10-16 
D) 1.21 × 10-13 
E) 1.21 × 10-10 
A) 8.25 × 109 
B) 8.25 × 1012 
C) 1.21 × 10-16 
D) 1.21 × 10-13 
E) 1.21 × 10-10

Question 20

Choose the ground-state electron configuration for Zr2⁺.

Accepted Answer

A) [Kr]5s2 
B) [Kr]5s24d2 
C) [Kr]4d2 
D) [Kr] 
E) [Kr]5s24d4 
A) [Kr]5s2 
B) [Kr]5s24d2 
C) [Kr]4d2 
D) [Kr] 
E) [Kr]5s24d4

Exam 7: The Quantum-Mechanical Model of the Atom

Choose the diamagnetic species from below.

Calculate the wavelength of light emitted from a hydrogen atom when an electron undergoes an n = 8 to n = 4 transmission.

How much energy (in kJ)do 3.0 moles of photons, all with a wavelength of 655 nm, contain?

Electromagnetic radiation with a wavelength of 531 nm appears as green light to the human eye. The energy of one photon of this light is 3.74 × 10-19 J. Thus, a laser that emits 1.3 × 10-2 J of energy in a pulse of light at this wavelength produces ________ photons in each pulse.

Determine the energy change associated with the transition from n = 2 to n = 5 in the hydrogen atom.

Determine the velocity of a marble (m = 8.66 g)with a wavelength of 3.46 × 10-33 m.

Choose the valence orbital diagram that represents the ground state of Zn.

Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.

Calculate the de Broglie wavelength of an egg with a mass of 60 g travelling at 32.18 m s-1.

Identify the correct values for a 3p sublevel.

What are the possible orbitals for n = 3?

Calculate the wavelength of an electron (m = 9.11 × 10-28 g)moving at 3.66 × 106 m s-1.

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

Identify the set of four quantum numbers that could represent the last electron added (using the aufbau principle)to the Ne atom.

What are the possible values of l if n = 6?

Calculate the de Broglie wavelength of a pen with a mass of 14.28 g travelling at 16.3 m s-1.

The vertical height of a wave is called

Choose the ground-state electron configuration for Ti2⁺.

The de Broglie wavelength of an electron with a velocity of 6.00 × 106 m s-1 is ________ m. The mass of the electron is 9.11 × 10-28 g.

Choose the ground-state electron configuration for Zr2⁺.

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Filters

Electromagnetic radiation with a wavelength of 531 nm appears as green light to the human eye. The energy of one photon of this light is 3.74 × 10^-19 J. Thus, a laser that emits 1.3 × 10^-2 J of energy in a pulse of light at this wavelength produces ________ photons in each pulse.

Determine the velocity of a marble (m = 8.66 g)with a wavelength of 3.46 × 10^-33 m.

Calculate the de Broglie wavelength of an egg with a mass of 60 g travelling at 32.18 m s^-1.

Calculate the wavelength of an electron (m = 9.11 × 10^-2⁸ g)moving at 3.66 × 10⁶ m s^-1.

Calculate the de Broglie wavelength of a pen with a mass of 14.28 g travelling at 16.3 m s^-1.

Choose the ground-state electron configuration for Ti²⁺.

The de Broglie wavelength of an electron with a velocity of 6.00 × 10⁶ m s^-1 is ________ m. The mass of the electron is 9.11 × 10^-28 g.

Choose the ground-state electron configuration for Zr²⁺.