Question 1

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 2

You wear sunblock,but not sunscreen,on your skin in order for the sunblock to __________________,thereby protecting your skin from some of the sun's radiation.

Accepted Answer

A) only transmit UV-A and UV-B radiation 
B) only reflect visible radiation and UV-B radiation 
C) both reflect and absorb UV-A and UV-B radiation 
D) only absorb UV-A and UV-B radiation 
A) only transmit UV-A and UV-B radiation 
B) only reflect visible radiation and UV-B radiation 
C) both reflect and absorb UV-A and UV-B radiation 
D) only absorb UV-A and UV-B radiation

Question 3

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 4

You wear sunscreen,but not sunblock,on your skin in order for the sunscreen to __________________,thereby protecting your skin from some of the sun's radiation.

Accepted Answer

A) only transmit UV-A and UV-B radiation 
B) only reflect visible radiation and UV-B radiation 
C) both reflect and absorb UV-A and UV-B radiation 
D) only absorb UV-A and UV-B radiation 
A) only transmit UV-A and UV-B radiation 
B) only reflect visible radiation and UV-B radiation 
C) both reflect and absorb UV-A and UV-B radiation 
D) only absorb UV-A and UV-B radiation

Question 5

In the Chapman cycle,ozone formation depends upon a sufficient concentration of oxygen atoms.Which step in the Chapman cycle produces oxygen atoms?

Accepted Answer

A) absorption of light (λ ≤ 320 nm)by ozone 
B) absorption of light (λ ≤ 320 nm)by oxygen 
C) absorption of light (λ ≤ 242 nm)by ozone 
D) absorption of light (λ ≤ 242 nm)by oxygen 
A) absorption of light (λ ≤ 320 nm)by ozone 
B) absorption of light (λ ≤ 320 nm)by oxygen 
C) absorption of light (λ ≤ 242 nm)by ozone 
D) absorption of light (λ ≤ 242 nm)by oxygen

Question 6

The chemical properties of the elements are chiefly due to the number

Accepted Answer

A) of protons. 
B) and distribution of the outer electrons. 
C) and distribution of the inner electrons. 
D) and distribution of the neutrons. 
A) of protons. 
B) and distribution of the outer electrons. 
C) and distribution of the inner electrons. 
D) and distribution of the neutrons.

Question 7

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.

Question 8

The ozone hole is most prominent on the Earth over

Accepted Answer

A) North America. 
B) Europe. 
C) Africa. 
D) Antarctica. 
A) North America. 
B) Europe. 
C) Africa. 
D) Antarctica.

Question 9

How many protons,neutrons,and electrons are there in the neutral atom of  ?

Accepted Answer

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

Question 10

Which is one of the Lewis dot structures for ozone?

Accepted Answer

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

Question 11

Results of the Montreal protocol include

Accepted Answer

A) greatly reduced production of CFCs. 
B) increased production of alternatives to CFCs. 
C) recycling of CFCs. 
D) All of these choices are correct. 
A) greatly reduced production of CFCs. 
B) increased production of alternatives to CFCs. 
C) recycling of CFCs. 
D) All of these choices are correct.

Question 12

In the periodic table,which elements typically have similar properties?

Accepted Answer

A) those in the same rows 
B) those related diagonally 
C) those in the same columns 
D) those on opposite sides 
A) those in the same rows 
B) those related diagonally 
C) those in the same columns 
D) those on opposite sides

Question 13

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 14

When only one pair of shared electrons is involved in a covalent bond,the linkage is called a ______ bond.

Accepted Answer

A) triple 
B) single 
C) double 
D) resonant 
A) triple 
B) single 
C) double 
D) resonant

Question 15

Arrange these types of radiation in order of increasing energy per photon: gamma rays,infrared radiation,radio waves,visible light,UV (ultra violet)

Accepted Answer

A) radio waves<visible light<UV <infrared radiation<gamma rays 
B) radio waves< infrared radiation<visible light< UV<gamma rays 
C) infrared radiation<radio waves<visible light < UV<gamma rays 
D) gamma rays< infrared radiation<UV<radio waves< visible light 
A) radio waves<visible light<UV <infrared radiation<gamma rays 
B) radio waves< infrared radiation<visible light< UV<gamma rays 
C) infrared radiation<radio waves<visible light < UV<gamma rays 
D) gamma rays< infrared radiation<UV<radio waves< visible light

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

You wear sunblock,but not sunscreen,on your skin in order for the sunblock to __________________,thereby protecting your skin from some of the sun's radiation.

Why are HFCs environmentally superior to the currently used HCFCs?

You wear sunscreen,but not sunblock,on your skin in order for the sunscreen to __________________,thereby protecting your skin from some of the sun's radiation.

In the Chapman cycle,ozone formation depends upon a sufficient concentration of oxygen atoms.Which step in the Chapman cycle produces oxygen atoms?

The chemical properties of the elements are chiefly due to the number

Decreased stratospheric ozone concentrations may lead to

The ozone hole is most prominent on the Earth over

How many protons,neutrons,and electrons are there in the neutral atom of ?

Which is one of the Lewis dot structures for ozone?

Results of the Montreal protocol include

In the periodic table,which elements typically have similar properties?

The "ozone layer" is found

When only one pair of shared electrons is involved in a covalent bond,the linkage is called a ______ bond.

Arrange these types of radiation in order of increasing energy per photon: gamma rays,infrared radiation,radio waves,visible light,UV (ultra violet)

The Air We Breathe

The Chemistry of Global Climate Change

Energy From Combustion

Water for Life

Neutralizing the Threat of Acid Rain

The Fires of Nuclear Fission

Energy From Electron Transfer

The World of Polymers and Plastics

Manipulating Molecules and Designing Drugs

Nutrition: Food for Thought

Genetic Engineering and the Molecules of Life

Filters

Exam 2: Protecting the Ozone Layer

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

You wear sunblock,but not sunscreen,on your skin in order for the sunblock to __________________,thereby protecting your skin from some of the sun's radiation.

Why are HFCs environmentally superior to the currently used HCFCs?

You wear sunscreen,but not sunblock,on your skin in order for the sunscreen to __________________,thereby protecting your skin from some of the sun's radiation.

In the Chapman cycle,ozone formation depends upon a sufficient concentration of oxygen atoms.Which step in the Chapman cycle produces oxygen atoms?

The chemical properties of the elements are chiefly due to the number

Decreased stratospheric ozone concentrations may lead to

The ozone hole is most prominent on the Earth over

How many protons,neutrons,and electrons are there in the neutral atom of ?

Which is one of the Lewis dot structures for ozone?

Results of the Montreal protocol include

In the periodic table,which elements typically have similar properties?

The "ozone layer" is found

When only one pair of shared electrons is involved in a covalent bond,the linkage is called a ______ bond.

Arrange these types of radiation in order of increasing energy per photon: gamma rays,infrared radiation,radio waves,visible light,UV (ultra violet)

The Air We Breathe

The Chemistry of Global Climate Change

Energy From Combustion

Water for Life

Neutralizing the Threat of Acid Rain

The Fires of Nuclear Fission

Energy From Electron Transfer

The World of Polymers and Plastics

Manipulating Molecules and Designing Drugs

Nutrition: Food for Thought

Genetic Engineering and the Molecules of Life

Filters