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3 cards from this section. Quick, good the night before a test.
What does VSEPR stand for?
Think about what causes the shape of the molecule.
What shape is expected for a molecule with two bonded pairs and no lone pairs?
Draw two dots and think about how far apart they need to be.
What does VSEPR Theory help predict?
Remember the key phrase in VSEPR!
True or False: Lone pairs do not affect molecular shape.
Consider what happens to bond angles.
Predict the molecular geometry of xenon tetrafluoride (XeF₄) using VSEPR Theory, and explain your reasoning.
Count all bonding and lone pairs around the central atom first.
Discuss why the bond angles in sulfur dioxide (SO₂) are different from those in carbon dioxide (CO₂).
Consider how lone pairs affect geometry and bond angles.
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