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Chapter 2 Practice Quiz 1
Terms in this set (20)
Which isotope has 6 neutrons?
Which statement concerning CFCs is true?
CFCs can release chlorine atoms in the atmosphere
Which statement correctly links biological effects with UV radiation from the Sun?
The wavelengths associated with UV-B cause the most biological damage
Today's weather report indicates an UV Index of 6-7, the "high" exposure category. Which set of sun protection measures is appropriate?
Reduce time in the Sun between 10AM and 4PM, wear a hat and sunglasses, use sunscreen SPF 15+
A diatomic molecule has the structure shown. What could be the identity of the atom "X" in the structure?
For these three parts of the electromagnetic spectrum, which is the correct order of increasing wavelength?
Ultraviolet, visible, infrared
Which region of the atmosphere contains the "good" ozone that helps to protect us from ultraviolet rays?
How many protons, neutrons, and electrons are in a neutral atom of 64/29 Cu?
Protons=29, neutrons=35, electrons=29
What is the correct number of outer electrons and the correct Lewis (electron-dot) structure for carbon monoxide?
10 e- and :C:::O:
Which statement comparing these two waves in the electromagnetic spectrum is correct?
Wave 1 has a lower frequency and travels at the same forward speed as Wave 2
Which of these types of solar radiation has the least potential for damage to biological systems?
What was the Montreal Protocol's main strategy for reversing stratospheric ozone depletion?
Limiting the production and use of CFCs
Which subatomic particles are found in the nucleus of an atom?
Protons and neutrons
This graph is based on evidence gathered in 1987 from a flight into the Antarctic ozone hple. Why is it sometimes referred to as the "smoking gun" of ozone depletion evidence?
The graph shows that the concentration of stratospheric ozone fell as the concentration of stratospheric chlorine rose, helping to establish CFCs as a cause of ozone depletion
For any region of the electromagnetic spectrum, the energy of a photon is
Directly proportional to the frequency
Which equation illustrates the first step in "steady-state" process for natural oxygen/ozone reactions in the stratosphere?
O2 -> f <242nm/ -> 2O
What is a free radical?
An unstable chemical species with an unpaired electron
O2 and O3 are
Which is a correct statement?
UV-C is more energetic than either UV-A or UV-B
Which statement best explains why you cannot get a suntan from standing in front of your radio?
The energy associated with a radio wave is not sufficient to interact with skin pigments
THIS SET IS OFTEN IN FOLDERS WITH...
Chapter 2 Practice 2
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