Molecular Shapes Worksheet
Grade 12 Chemistry worksheet on molecular shapes, VSEPR theory, and polarity.
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Molecular Shapes Worksheet
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Date:
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Read each question carefully and provide concise, accurate answers.
1. Which of the following molecular geometries is associated with a central atom having two bonding pairs and two lone pairs of electrons?
Linear
Trigonal planar
Bent (or V-shaped)
Tetrahedral
2. The VSEPR theory predicts molecular shapes based on the repulsion between electron in the valence shell of a central atom.
3. A molecule with a trigonal bipyramidal electron geometry can have a , , or molecular geometry.
4. Explain why the bond angles in methane (CH₄) are 109.5°, while in ammonia (NH₃) they are approximately 107°, and in water (H₂O) they are approximately 104.5°.
5. A molecule with polar bonds is always a polar molecule.
True
False
6. For the molecule XeF₄:
a. Draw the Lewis structure.
b. Determine the electron geometry around the central atom.
c. Determine the molecular geometry.
d. Predict if the molecule is polar or nonpolar.
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