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d) \( \mathrm{H}_{2} \mathrm{O} \) or \( \mathrm{H}_{2} \mathrm{~S} \)
Practice 6A-..
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Practice 6B...
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Practice \( 6 C \)
\( \checkmark \) Practice 6D-
Practice 6D.
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Practice 6E.. Practice 6F-...
Practice 6F--.
Lab 6A-Mol.
Practice 6G-ChemActivity.
7. Based on the data in Table 1, predict the dipole moment of \( \mathrm{CH}_{3} \mathrm{~F} \).
8. For each of the following species: provide the best Lewis structure; sketch the shape of the species including an indication of bond angles; give the hybridization of the central atom; indicate whether or not the molecule is polar (has a nonzero dipole moment).
a) \( \mathrm{SCN}^{-} \)
b) \( \mathrm{PBr}_{3} \)
c)
\( o=N \)
\( \mathrm{NO}_{3}^{-} \)
g) \( \mathrm{CHCl}_{3} \)
d) \( \mathrm{NH}_{3} \)
e) \( \mathrm{CS}_{2} \)
f) \( \mathrm{SO}_{3} \)
h) \( \mathrm{CH}_{2} \mathrm{Cl}_{2} \)
9. J. N. Spencer, G. M. Bodner, and L. H. Rickard, Chemistry: Structure \& Dynamics, Fourth Edition, John Wiley \& Sons, 2008. Chapter 4: Problems: 109-112, 128, 129ab.
ChemActivity 23 The Dipole Moment
137
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Which has the larger dipole moment, I or II? Clearly explain