Chapter 1: Q-1-34P (page 2)
According to the potential maps for ammonium ion, which atom has the greatest electron density?
Short Answer
The nitrogen atom in the ammonium ion has the greatest electron density.
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Chapter 1: Q-1-34P (page 2)
According to the potential maps for ammonium ion, which atom has the greatest electron density?
The nitrogen atom in the ammonium ion has the greatest electron density.
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Caffeine is a natural insecticide found in the seeds and leaves of certain plants, where it kills insects that feed on the plant. Caffeine is extracted for human consumption from beans of the coffee plant, from Kola nuts, and from the leaves of tea plants. Because it stimulates the central nervous system, it temporarily prevents drowsiness. Add caffeine’s missing lone pairs to its structure.

Rank the bonds from the most polar to least polar.
a. C - O,C - F,C - N
b. C - Cl > C - Br > C - I
c. H - O,H - N,H - C
d. C - H,C - C,C - N
After examining the potential maps for LiH, HF and H2, answer the following questions:
Predict the approximate bond angles for the following
1.The C-N-H bond angle inCH3 CH2NH2
2.The F-B-F bond angle in -BF4
3.The C-C-N bond angle in
4.The C-C-N bond angle in CH3CH2NH2
Compare the electrostatic potential maps for methane, ammonia and water. Which is the most polar molecule? Which is the least polar?

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