Halons differ from CFCs in that the atoms of ________ replace some ________ atoms.
A) iodine;chlorine
B) hydrogen;chlorine
C) bromine;chlorine
D) silicon;carbon
Correct Answer:
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Q19: What is the relationship between stratospheric levels
Q20: The structure of ozone most closely resembles
Q21: UV-B radiation has a frequency of approximately
Q22: Chlorofluorocarbons rise to the stratosphere and
A)react directly
Q23: Light behaves like
A)a particle.
B)a wave.
C)both a particle
Q25: The "ozone layer" is found
A)only around the
Q26: Which product of the ultraviolet decomposition of
Q27: Which is one of the Lewis structures
Q28: WUKF FM transmits at 93.5 MHz.What is
Q29: HCFCs have been developed to replace CFCs
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