Practice Vsepr Theory (valence Shell Electron Pair Repulsion Theory) (3.2.2)

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6 sample questions

Question 1.
Define an electron domain.
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Consider regions where electrons are concentrated.
Question 2.
What shape does a molecule with 2 electron domains have?
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Think of a straight line between two atoms.
3Question 3.
What does VSEPR stand for?
- Valence Shell Electron Pair Repulsion
- Valence Shell Energy Pair Repulsion
- Varying Shell Electron Pair Repulsion
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Think about how electron pairs influence molecular shapes.
4Question 4.
True or False: Lone pairs have less repulsion than bonding pairs.
- True
- False
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Consider how lone pairs affect the shape of the molecule.
Question 5.
Given a molecule with four pairs of electrons around the central atom, of which one is a lone pair, predict the molecular geometry and bond angles.
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Identify how lone pairs change the expected shape.
Question 6.
Draw the Lewis structure for CO2 and predict its shape according to VSEPR theory.
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Count total electron domains around the central atom carefully.

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