Why Does the Upper Atmosphere Contain Only Very Little Dissociated

question 68

Multiple Choice

Why does the upper atmosphere contain only very little dissociated nitrogen?

• A) most of the nitrogen is in the troposphere and not in the upper atmosphere
• B) the bond energy of nitrogen is very high and it does not absorb radiation very efficiently
• C) nitrogen atoms are extremely reactive and so react with other substances immediately upon their formation
• D) the dissociated nitrogen very rapidly diffuses out of the atmosphere and into space
• E) There is no N₂ in the upper atmosphere.

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