Question 1

The Montreal protocol is a

Accepted Answer

A) treaty to protect against global warming. 
B) treaty to reduce the amount of CFCs produced in the world. 
C) list of substitutes for CFCs. 
D) way to destroy CFCs in the stratosphere. 
A) treaty to protect against global warming. 
B) treaty to reduce the amount of CFCs produced in the world. 
C) list of substitutes for CFCs. 
D) way to destroy CFCs in the stratosphere. B

Question 2

In Earth's atmosphere,where is the ozone layer?

Accepted Answer

A) Troposphere 
B) Biosphere 
C) Mesosphere 
D) Stratosphere 
A) Troposphere 
B) Biosphere 
C) Mesosphere 
D) Stratosphere D

Question 3

Decreased stratospheric ozone concentrations may lead to

Accepted Answer

A) increased incidences of melanomas. 
B) harm to young marine life. 
C) an increased occurrence of cataracts. 
D) All of these choices are correct 
A) increased incidences of melanomas. 
B) harm to young marine life. 
C) an increased occurrence of cataracts. 
D) All of these choices are correct D

Question 4

What is the role of polar stratospheric clouds (PSCs) on the destruction of ozone?

Accepted Answer

A) The cold clouds react with ozone to make oxygen molecules and oxygen atoms 
B) Chemical reactions occur on the clouds that convert molecules that do no damage to those that deplete ozone 
C) They play no role 
D) The clouds are made of chlorine atoms from CFCs 
A) The cold clouds react with ozone to make oxygen molecules and oxygen atoms 
B) Chemical reactions occur on the clouds that convert molecules that do no damage to those that deplete ozone 
C) They play no role 
D) The clouds are made of chlorine atoms from CFCs

Question 5

Single bonds,double bonds,and triple bonds

Accepted Answer

A) have 1,2,and 3 shared electrons,respectively. 
B) have 2,4,and 6 shared electrons,respectively. 
C) have 3,6,and 9 shared electrons,respectively. 
D) are only possible between carbon atoms. 
A) have 1,2,and 3 shared electrons,respectively. 
B) have 2,4,and 6 shared electrons,respectively. 
C) have 3,6,and 9 shared electrons,respectively. 
D) are only possible between carbon atoms.

Question 6

Which is one of the Lewis structures for ozone?

Accepted Answer

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

Question 7

Which region of the ultraviolet spectrum is absorbed least by the atmosphere?

Accepted Answer

A) UV-A 
B) UV-B 
C) UV-C 
D) They are all absorbed approximately equally 
A) UV-A 
B) UV-B 
C) UV-C 
D) They are all absorbed approximately equally

Question 8

Which of the following is most biologically damaging type of radiation?

Accepted Answer

A) UV-A 
B) UV-B 
C) UV-C 
D) Infrared 
A) UV-A 
B) UV-B 
C) UV-C 
D) Infrared

Question 9

Which contributes to the ozone hole?

Accepted Answer

A) Automobile exhaust 
B) Chlorofluorocarbons (CFCs) 
C) Loss of northern forests 
D) All of these choices are correct 
A) Automobile exhaust 
B) Chlorofluorocarbons (CFCs) 
C) Loss of northern forests 
D) All of these choices are correct

Question 10

Which statement is correct?

Accepted Answer

A) UV-A is the most energetic of the three forms of UV light 
B) UV-B is the most energetic of the three forms of UV light 
C) UV-C is the most energetic of the three forms of UV light 
D) UV-A,UV-B,and UV-C are equally energetic 
A) UV-A is the most energetic of the three forms of UV light 
B) UV-B is the most energetic of the three forms of UV light 
C) UV-C is the most energetic of the three forms of UV light 
D) UV-A,UV-B,and UV-C are equally energetic

Question 11

In reference to waves,frequency is the

Accepted Answer

A) number of waves passing a fixed point in one second. 
B) height of the wave. 
C) distance between successive peaks in a wave. 
D) distance between a peak in a wave to the next trough. 
A) number of waves passing a fixed point in one second. 
B) height of the wave. 
C) distance between successive peaks in a wave. 
D) distance between a peak in a wave to the next trough.

Question 12

Chlorofluorocarbons rise to the stratosphere and

Accepted Answer

A) react directly with stratospheric ozone to destroy it. 
B) interact with UV energy to produce free radicals that destroy ozone. 
C) interact with UV energy to produce free radicals that react with oxygen to create ozone. 
D) react with free radicals to remove carbon dioxide. 
A) react directly with stratospheric ozone to destroy it. 
B) interact with UV energy to produce free radicals that destroy ozone. 
C) interact with UV energy to produce free radicals that react with oxygen to create ozone. 
D) react with free radicals to remove carbon dioxide.

Question 13

The speed of light in air

Accepted Answer

A) depends only on the frequency of the light. 
B) depends only on the wavelength of light. 
C) is independent of the wavelength and frequency of light. 
D) depends on both the wavelength and the frequency of light. 
A) depends only on the frequency of the light. 
B) depends only on the wavelength of light. 
C) is independent of the wavelength and frequency of light. 
D) depends on both the wavelength and the frequency of light.

Question 14

UV-B radiation has a frequency of approximately 1017 s¯1.What is the energy of a photon of this light?

Accepted Answer

A) 1.99 × 10¯42 J 
B) 6.63 × 10¯17 J 
C) 4.19 × 108 J 
D) 1.51 × 1050 J 
A) 1.99 × 10¯42 J 
B) 6.63 × 10¯17 J 
C) 4.19 × 108 J 
D) 1.51 × 1050 J

Question 15

Which is the correct Lewis structure?

Accepted Answer

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

Question 16

The "ozone layer" is found

Accepted Answer

A) only around the equator. 
B) in the troposphere. 
C) in the stratosphere. 
D) in the mesosphere. 
A) only around the equator. 
B) in the troposphere. 
C) in the stratosphere. 
D) in the mesosphere.

Question 17

Why are HFCs environmentally superior to the currently used HCFCs?

Accepted Answer

A) HFCs are not flammable 
B) HFCs do not contain chlorine 
C) HFCs are lighter and may be transported more easily 
D) HFCs are less reactive than HCFCs 
A) HFCs are not flammable 
B) HFCs do not contain chlorine 
C) HFCs are lighter and may be transported more easily 
D) HFCs are less reactive than HCFCs

Question 18

How do mineral nanoparticles in sunscreens protect from UV radiation?

Accepted Answer

A) The particles scatter incoming UV light 
B) The particles absorb incoming UV light 
C) The particles dissolve with incoming UV light 
D) None of these choices are correct 
A) The particles scatter incoming UV light 
B) The particles absorb incoming UV light 
C) The particles dissolve with incoming UV light 
D) None of these choices are correct

Question 19

The two chemical bonds and geometry of water are best represented by

Accepted Answer

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

Question 20

Increasing wavelength of light goes in this order.

Accepted Answer

A) Ultraviolet > visible > infrared 
B) Visible > infrared > ultraviolet 
C) Infrared > visible > ultraviolet 
D) Ultraviolet > infrared > visible 
A) Ultraviolet > visible > infrared 
B) Visible > infrared > ultraviolet 
C) Infrared > visible > ultraviolet 
D) Ultraviolet > infrared > visible

The Montreal protocol is a

In Earth's atmosphere,where is the ozone layer?

Decreased stratospheric ozone concentrations may lead to

What is the role of polar stratospheric clouds (PSCs) on the destruction of ozone?

Single bonds,double bonds,and triple bonds

Which is one of the Lewis structures for ozone?

Which region of the ultraviolet spectrum is absorbed least by the atmosphere?

Which of the following is most biologically damaging type of radiation?

Which contributes to the ozone hole?

Which statement is correct?

In reference to waves,frequency is the

Chlorofluorocarbons rise to the stratosphere and

The speed of light in air

UV-B radiation has a frequency of approximately 10¹⁷ s^¯1.What is the energy of a photon of this light?

Which is the correct Lewis structure?

The "ozone layer" is found

Why are HFCs environmentally superior to the currently used HCFCs?

How do mineral nanoparticles in sunscreens protect from UV radiation?

The two chemical bonds and geometry of water are best represented by

Increasing wavelength of light goes in this order.

Portable Electronics: the Periodic Table in the Palm of Your Hand

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Climate Change

Energy From Combustion

Energy From Alternative Sources

Energy Storage

Water Everywhere: A Most Precious Resource

The World of Polymers and Plastics

Brewing and Chewing

Nutrition

Health Medicine

Genes and Life

Who Killed Drthompson a Forensic Mystery

Filters

Exam 3: Radiation From the Sun

The Montreal protocol is a

In Earth's atmosphere,where is the ozone layer?

Decreased stratospheric ozone concentrations may lead to

What is the role of polar stratospheric clouds (PSCs) on the destruction of ozone?

Single bonds,double bonds,and triple bonds

Which is one of the Lewis structures for ozone?

Which region of the ultraviolet spectrum is absorbed least by the atmosphere?

Which of the following is most biologically damaging type of radiation?

Which contributes to the ozone hole?

Which statement is correct?

In reference to waves,frequency is the

Chlorofluorocarbons rise to the stratosphere and

The speed of light in air

UV-B radiation has a frequency of approximately 1017 s¯1.What is the energy of a photon of this light?

Which is the correct Lewis structure?

The "ozone layer" is found

Why are HFCs environmentally superior to the currently used HCFCs?

How do mineral nanoparticles in sunscreens protect from UV radiation?

The two chemical bonds and geometry of water are best represented by

Increasing wavelength of light goes in this order.

Portable Electronics: the Periodic Table in the Palm of Your Hand

The Air We Breathe

Climate Change

Energy From Combustion

Energy From Alternative Sources

Energy Storage

Water Everywhere: A Most Precious Resource

The World of Polymers and Plastics

Brewing and Chewing

Nutrition

Health Medicine

Genes and Life

Who Killed Drthompson a Forensic Mystery

Filters

UV-B radiation has a frequency of approximately 10¹⁷ s^¯1.What is the energy of a photon of this light?