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VSEPR theory

activity vsepr modeling student copy

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Chemistry
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Name: ______________________ VSEPR Modeling Lewis Structure # Electron pair domains # Nonbonding (lone) pairs Shape Bond Angles Polar or Nonpolar CO2 BF3 SO2 CH4 NH3 H2O PF5 SF4 ClF3 XeF2 SF6 BrF5 XeF4 American Association of Chemistry Teachers |1-360
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activity vsepr modeling teachers copy

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Chemistry
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T-shaped molecular geometry

Summary In this activity, students construct physical models of molecular shapes. However, students are not told what the preferred arrangements of electron pair domains are. Instead, they derive the arrangements. Students are given the opportunity to conceptualize what is happening when one electron pair domain acts upon another, and to understand how those interactions result in the molecular geometries predicted by VSEPR theory. Grade Level High School Objectives By the end of this activity, students should be able to Conceptualize the impact of one electron pair domain acting upon another, and understand how those interactions result in the molecular geometries predicted by VSEPR theory. Describe the implications of electron pair repulsions on molecular shape.

Organic Chem Review

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Algebra
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organic chemistry

Molecular Geometry: VSEPR model stand for valence-shell electron-pair repulsion and predicts the 3D shape of molecules that are formed in bonding. Sigma and Pi Bonds: All single bonds are sigma(?), that occur in the overlap of hybridized orbitals. Pi (?) bonds occur when parallel, unhybridized p orbitals overlap. Double bonds contain one sigma and one pi bond; triple bonds contain one sigma and two pi bonds. ? bonds are weaker than the ? bonds, but because ? bonds are found with ? bonds they are stronger than a single ? bond. Pi bonds also prevent rotation about the bond. Hybridization: Blending of outer bonding orbitals Intermolecular Forces: London Dispersion - Weak intermolecular force, temporary attractive force that results when
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