Question 1

Identify the colour that has a wavelength of 700 nm.

Accepted Answer

A) blue 
B) green 
C) red 
D) yellow 
A) blue 
B) green 
C) red 
D) yellow

Question 2

Which of the following transitions represent the emission of a photon with the largest energy?

Accepted Answer

A) n = 2 to n = 1 
B) n = 3 to n = 1 
C) n = 6 to n = 3 
D) n = 1 to n = 4 
E) n = 2 to n = 5 
A) n = 2 to n = 1 
B) n = 3 to n = 1 
C) n = 6 to n = 3 
D) n = 1 to n = 4 
E) n = 2 to n = 5

Question 3

How many different values of ml are possible in the 2p sublevel?

Accepted Answer

A) 2 
B) 1 
C) 3 
D) 5 
E) 7 
A) 2 
B) 1 
C) 3 
D) 5 
E) 7

Question 4

Match the following.

-n = 3 to n = 1

Accepted Answer

A) 657 nm 
B) 7460 nm 
C) 103 nm 
D) 1280 nm 
E) 122 nm 
A) 657 nm 
B) 7460 nm 
C) 103 nm 
D) 1280 nm 
E) 122 nm

Question 5

Each of the following sets of quantum numbers is supposed to specify an orbital. Which of the following sets of quantum numbers contains an error?

Accepted Answer

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

Question 6

Define diffraction.

Accepted Answer

When a wave encounters an obst

Question 7

Why don't we observe the wavelength of everyday macroscopic objects?

Accepted Answer

Due to the large mass of macro

Question 8

Calculate the wavelength of light associated with the transition from n = 1 to n = 3 in the hydrogen atom.

Accepted Answer

A) 103 nm 
B) 155 nm 
C) 646 nm 
D) 971 nm 
E) 136 nm 
A) 103 nm 
B) 155 nm 
C) 646 nm 
D) 971 nm 
E) 136 nm

Question 9

Determine the longest wavelength of light required to remove an electron from a sample of potassium metal if the binding energy for an electron in K is 1.76 × 103 kJ mol-1.

Accepted Answer

A) 147 nm 
B) 68.0 nm 
C) 113 nm 
D) 885 nm 
E) 387 nm 
A) 147 nm 
B) 68.0 nm 
C) 113 nm 
D) 885 nm 
E) 387 nm

Question 10

Calculate the energy of the red light emitted by a neon atom with a wavelength of 703.2 nm.

Accepted Answer

A) 3.54 × 10-19 J 
B) 4.27 × 10-19 J 
C) 2.34 × 10-19 J 
D) 6.45 × 10-19 J 
E) 2.83 × 10-19 J 
A) 3.54 × 10-19 J 
B) 4.27 × 10-19 J 
C) 2.34 × 10-19 J 
D) 6.45 × 10-19 J 
E) 2.83 × 10-19 J

Question 11

Calculate the energy of the orange light emitted, per photon, by a neon sign with a frequency of 4.89 × 1014 Hz.

Accepted Answer

A) 3.09 × 10-19 J 
B) 6.14 × 10-19 J 
C) 3.24 × 10-19 J 
D) 1.63 × 10-19 J 
E) 5.11 × 10-19 J 
A) 3.09 × 10-19 J 
B) 6.14 × 10-19 J 
C) 3.24 × 10-19 J 
D) 1.63 × 10-19 J 
E) 5.11 × 10-19 J

Question 12

Match the following.

-n = 6 to n = 5

Accepted Answer

A) 657 nm 
B) 7460 nm 
C) 103 nm 
D) 1280 nm 
E) 122 nm 
A) 657 nm 
B) 7460 nm 
C) 103 nm 
D) 1280 nm 
E) 122 nm

Question 13

A sunburn is caused by overexposure to ________ radiation.

Accepted Answer

A) ultraviolet 
B) gamma 
C) microwave 
D) X-ray 
E) radio 
A) ultraviolet 
B) gamma 
C) microwave 
D) X-ray 
E) radio

Question 14

Identify the numbers for ml for a d orbital.

Accepted Answer

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

Question 15

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

Question 16

Identify the set of four quantum numbers that could represent the electron gained to form the Br ION from the Br atom.

Accepted Answer

A) n = 4, l = 2, ml = 1, ms = -   
B) n = 4, l = 0, ml = 1, ms = +   
C) n = 4, l = 1, ml = 1, ms = -   
D) n = 3, l = 2, ml = 2, ms = +   
E) n = 5, l = 1, ml =-1 , ms = +   
A) n = 4, l = 2, ml = 1, ms = -   
B) n = 4, l = 0, ml = 1, ms = +   
C) n = 4, l = 1, ml = 1, ms = -   
D) n = 3, l = 2, ml = 2, ms = +   
E) n = 5, l = 1, ml =-1 , ms = +

Question 17

Food can be cooked by ________ radiation.

Accepted Answer

A) ultraviolet 
B) gamma 
C) microwave 
D) X-ray 
E) radio 
A) ultraviolet 
B) gamma 
C) microwave 
D) X-ray 
E) radio

Question 18

Match the following.

-n = 1 to n = 2

Accepted Answer

A) 657 nm 
B) 7460 nm 
C) 103 nm 
D) 1280 nm 
E) 122 nm 
A) 657 nm 
B) 7460 nm 
C) 103 nm 
D) 1280 nm 
E) 122 nm

Question 19

Define paramagnetic.

Accepted Answer

Paramagnetic is when

Question 20

Give the number of valence electrons for Mg2+.

Accepted Answer

Exam 7: The Quantum-Mechanical Model of the Atom

Identify the colour that has a wavelength of 700 nm.

Which of the following transitions represent the emission of a photon with the largest energy?

How many different values of ml are possible in the 2p sublevel?

Match the following. -n = 3 to n = 1

Each of the following sets of quantum numbers is supposed to specify an orbital. Which of the following sets of quantum numbers contains an error?

Define diffraction.

Why don't we observe the wavelength of everyday macroscopic objects?

Calculate the wavelength of light associated with the transition from n = 1 to n = 3 in the hydrogen atom.

Determine the longest wavelength of light required to remove an electron from a sample of potassium metal if the binding energy for an electron in K is 1.76 × 103 kJ mol-1.

Calculate the energy of the red light emitted by a neon atom with a wavelength of 703.2 nm.

Calculate the energy of the orange light emitted, per photon, by a neon sign with a frequency of 4.89 × 1014 Hz.

Match the following. -n = 6 to n = 5

A sunburn is caused by overexposure to ________ radiation.

Identify the numbers for ml for a d orbital.

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

Identify the set of four quantum numbers that could represent the electron gained to form the Br ION from the Br atom.

Food can be cooked by ________ radiation.

Match the following. -n = 1 to n = 2

Define paramagnetic.

Give the number of valence electrons for Mg2+.

Units of Measurement for Physical and Chemical Change

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Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

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Chemical Bonding I: Lewis Theory

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Organic Chemistry I: Structures

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Chemistry of the Nonmetals

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Filters

How many different values of m_l are possible in the 2p sublevel?

Determine the longest wavelength of light required to remove an electron from a sample of potassium metal if the binding energy for an electron in K is 1.76 × 10³ kJ mol^-1.

Calculate the energy of the orange light emitted, per photon, by a neon sign with a frequency of 4.89 × 10¹⁴ Hz.

Identify the numbers for m_l for a d orbital.

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

Give the number of valence electrons for Mg²⁺.