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 dissociated nitrogen very rapidly diffuses out of the atmosphere and into space.
C) Nitrogen atoms are extremely reactive and so react with other substances immediately upon their formation.
D) The bond energy of nitrogen is very high and it does not absorb radiation very efficiently.
E) There is no N2 in the upper atmosphere.
Question 2
A covalent bond in which overlap regions lie above and below an internuclear axis is called a(n) ________.
Fill in the blank(s) with correct word
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