Chemical Bonding Worksheets Page 20
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22Example: For the following molecules:
i. Draw the Lewis structure.
iv. Sketch the molecule to show the dipoles.
ii. Determine the shape of the molecule.
v. Indicate if the molecule is polar/nonpolar.
iii. Determine the approximate bond angles.
i. PF
i. CH
F
3
2
2
Lewis structure
Lewis structure
ii. shape of PF
: _______________________
ii. shape of CH
: _______________________
F
3
2
2
iii. bond angle in PF
: ___________
iii. bond angles in CH
: ___________
F
3
2
2
iv. Sketch the 3D shape of the PF
molecule
iv. Sketch the 3D shape of the CH
molecule
F
3
2
2
below, then draw an arrow to show the
below, then draw an arrow to show the dipole
dipole on each polar bond.
on each polar bond.
v. The PF
molecule is __________.
v. The CH
molecule is __________.
F
3
2
2
(Circle one)
polar
nonpolar
(Circle one)
polar
nonpolar
CHEM 121 Tro Chapter 10 F2012
page 20 of 22
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