Test 1

Question 0

Which substance is not considered to be an air pollutant

Answer 0

N2

Question 1

Of 5 major gaseous components of air, which is the only 1 to vary significantly in concentration from place to place from day to day

Answer 1

Water vapor

Question 2

The 2 main products if the combustion gasoline in an automobile engine are

Answer 2

Water and carbon dioxide

Question 3

What Pollutant is present in air as particulate matter?

Answer 3

Spot

Question 4

Which color as used in the air quality index, warns that the level if a pollutant is hazardous the most dangerous level?

Answer 4

Maroon

Question 5

Substance is an element (NO2/NaCl/ N2

Answer 5

N2

Question 6

Ozone is considered an air pollutant in the —- but is a valuable protective layer in the —–

Answer 6

Troposphere , stratosphere

Question 7

A —- is a fixed number of atoms held together by chemical bonds in a certain spatial arrangement

Answer 7

Molecule?

Question 8

Chemical symbol for salt

Answer 8

Ag

Question 9

Except in the case of hydrocarbons when naming virtually all compounds made up of 2 elements the 2nd element mentioned

Answer 9

Ends in IDE

Question 10

Which pollutant are you more likely to encounter in dangerous concentrations indoor rather than outdoors?

Answer 10

Carbon monoxide

Question 11

Pollutants can be detected by their odors

Answer 11

O3 SOx NOx

Question 12

Chemical can not be detected by their odors

Answer 12

Co

Question 13

Catalytic converters reduce the amount of —in car exhaust

Answer 13

Co

Question 14

Are examples of technological advances that have reduced air pollution?

Answer 14

Paint with reduced voc, burning gasoline in leaf blowers

Question 15

When assessing the risk of air pollutant which does not play a role on considering someone’s exposure to the pollutant

Answer 15

The toxicity of the pollutant

Question 16

Not a mixture

Answer 16

Sodium chloride

Question 17

Distinguishes the atoms of 1 element from another

Answer 17

of protons

Question 18

Which region of ultraviolet spectrum absorbed least by atmosphere

Answer 18

Uv-A

Question 19

Ozone layer is found

Answer 19

Stratosphere

Question 20

Light behaves like

Answer 20

Both particle and a wave

Question 21

In the periodic table which elements typically have similar properties

Answer 21

Those in the same column

Question 22

Isotopes of an element have the same # of —- but different # of

Answer 22

Protons, neutrons

Question 23

Free radicals are

Answer 23

Highly reactive chemical species, species with unpaired electrons, spieces such as H & OH

Question 24

WUKF FM transmits at 93.5 MHZ what is the wavelength of the electromagnetic radiation that carries the stations signal

Answer 24

3.21m

Question 25

Results of Montreal protocol

Answer 25

Greatly reduced production of CFC, increased production of alternatives to CFCs, recycling of CFC

Question 26

Montreal protocol is a

Answer 26

Treaty to reduce the amount of CFCs produced in the world

Question 27

What is special about the s. Pole vs the N. Pole that leads to ozone depletion at the s. Pole

Answer 27

Polar stratosphere clouds from almost exclusively at the s pole

Question 28

Stratospheric ozone is destroyed and formed at the same rate

Answer 28

Above the equator and above the Antarctic in it's early form

Question 29

The o2 molecules break apart @ lower wavelength that the o3 molecule. What is the main reason?

Answer 29

The average bond in o2 is shorter and stronger than the o3

Question 30

Part if the chapman cycle in the stratosphere

Answer 30

Ozone is removed by an interaction with uv radiation, ozone reacts with oxygen atoms to form oxygen molecules

Question 31

In earths atmosphere where is the ozone layer

Answer 31

Stratosphere

Question 32

Uv b radiation has a frequency of approximately 17 s -1 what is the energy if a photon of this light

Answer 32

6.73x 10-17

Question 33

Relationship between stratosphere levels of atomic chlorine and ozone

Answer 33

As chlorine increases ozone decreases

Question 34

Nucleus of an atom contain

Answer 34

Protons and neutrons only

Question 35

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

Answer 35

Absorption of light ( <= 242 nm) by oxygen molecules

Question 36

Elements in the same column of the periodic table in the groups labeled a a tend to have similar chemical & physical properties

Answer 36

Outer valence electrons

Question 37

Mass #of an isotope of an element is the

Answer 37

Sum of the # of it's protons and neutrons

Question 38

Chlorofluorocarbon rises to the stratosphere

Answer 38

Interacts with uv energy to produce free radicals that destroy ozone

Question 39

Increasing wavelength of light gases in this

Answer 39

Ultralight>viable> infared

Question 40

Atomic number is the

Answer 40

Number of protons in a nucleus

Question 41

In reference to waves frequency is the

Answer 41

Number of waves passing a fixed point in 1 sec

Question 42

The goal of Montreal protocol in 1987 was to

Answer 42

Reduce the amount of new production of Chlorofluorocarbon in developed countries, recycle existing Chlorofluorocarbon rather than release them into the air, encourage research into substitutes for Chlorofluorocarbon

Question 43

Speed of light air

Answer 43

Is independent of the wavelength and frequency of light

Question 44

Decreased stratosphere ozone concentration may led to

Answer 44

Increased incidences of melanoma, harm to young marine life, an increased occur acne of cataracts

Question 45

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

Answer 45

Chemical reactions occur on the clouds that convert molecules that do no damage to those that deplet ozone