Science Geek
VSEPR and Molecular Geometry
Many chemistry jokes have no reaction. Presentation begins by explaining what models are and the limitations of various forms before introducing the VSEPR model. Then it outlines the rules for creating a VSEPR model and shows examples of...
Curated OER
Shapes of Molecules
The VSEPR Model of molecular structure is exhibited through this series of slides. The step-by-step process is listed, and then examples are provided. The graphics give a visual display of the spatial relationship between the atoms of...
Pingry School
Lewis Structures, VSEPR and Molecular Modeling
A model is worth a thousand words. Young scholars use what they know about the structure of hydrocarbons to build Lewis dot structures and molecular models. Their tasks include multiple bonds, geometric hybrids, and various isomers.
Curated OER
VSEPR And Polarity
In this VSEPR theory learning exercise, students evaluate the electron-pair geometry of organic and inorganic molecules. They construct Lewis structures and resonance structures for 17 compounds and complete 3 short answer questions.
Virginia Department of Education
Molecular Model Building
During this hands-on activity, young chemists build molecular models based on the Lewis dot structure before studying valence shell electron pair repulsion theory.
Curated OER
Chapter 6 - Bonds
Although there are only 16 questions here, this chemistry handout makes a terrific unit assessment. It queries youngsters on the properties of ionic and covalent compounds, relates bond length tho stability and enrgy, compares polar and...
Santa Monica College
Lewis Structures and Molecular Shapes
Learners practice drawing Lewis dot structures, build molecules with model kits, and predict molecular shapes using VSEPR theory. The combination of written work and hands-on reinforcement benefits young scientists.
Curated OER
Predicting Molecular Shapes
For this molecular shapes worksheet, students read about how to predict molecular shapes in molecules based on the number of electron pairs and the VSEPR theory. Students are given twelve molecules, they draw the Lewis structures and...
Curated OER
VSEPR Theory: Molecules with Lone Pairs
In this VSEPR theory activity, students build models of molecules using styrofoam balls and pipe cleaners to represent lone pairs. Students complete a chart for 12 molecules with valence electrons, Lewis structures, bond angles, lone...
Curated OER
Molecular Modeling Activity
Students work together to explain the VSEPR theory and how it relates to molecules. They name electron pairs that can surround the central atom of an organism. They discuss the factors that determine the polarity of a molecule as well.
Curated OER
Molecular Models Laboratory
Students use models to visualize molecular structures. Students read about Lewis dot structures, hybridization, and formal charge. Then students build and draw the molecules and ions given. Students complete 11 pre-lab questions and 4...
Curated OER
Pauli's Magical Water
Students predict the shape of molecules using VSEPR theory. In this chemistry lesson, students differentiate a polar and nonpolar molecule. They discuss why water's polarity is very important.
Curated OER
Bonding Theories
In this bonding activity, students fill in 8 blanks with the appropriate terms about theories of bonding, they determine if 6 statements are true or false, they match 5 terms with their meanings and they solve 1 problem related to hybrid...
Curated OER
Creating Bonds
In this creating bonds worksheet, students create 2-D and 3-D models of the molecular formula provided. Students complete a chart of information about the molecular formula given.
Curated OER
Bhopal - Covalent Bonding
Using the chemicals that leaked in the Bhopal gas tragedy of 1984, chemists examine covalent bonds. Provide for them the chemical reactions and have them draw Lewis diagrams for the molecules involved. That's about all there is to the...
Curated OER
Investigating the Shapes of Covalent Molecules and Measuring their Respective Bond Lengths and Bond Angles
High schoolers will draw Lewis structures of common covalent compounds using a Chem 3D computer program. They will predict the shapes of the molecules, complete a data table, and formulate rules for predicting shapes of molecules. In the...
Davidson College
Davidson College: Valence Shell Electron Pair Repulsion (Vsepr) Model
Presents examples of molecules that do not match the expected bond angles in the Valence-Shell Electron-Pair Repulsion Model. Requires Java.
Davidson College
Davidson College: Valence Shell Electron Pair Repulsion (Vsepr) Model
Explains the principles of the Valence-Shell Electron-Pair Repulsion Model, and gives examples of the geometry. Requires Java.
Davidson College
Davidson College: Valence Shell Electron Pair Repulsion (Vsepr) Model
Presents exercises where students can check their understanding of the Valence-Shell Electron-Pair Repulsion Model by predicting what a molecular shape will be. Requires Java.
University of Waterloo (Canada)
University of Waterloo: Vsepr Models
The University of Waterloo provides background in pair repulsion and confidence building questions. Try this one once you think you know what you are doing!
Other
Us: Valence Shell Electron Pair Repulsion (Vsepr)
An excellent tutorial that examines VSEPR and pairs of valence electrons. The valence shell electron pair repulsion concept is explored using animated models. Includes a VSEPR calculator. Use the toolbar on the left to navigate through...
CK-12 Foundation
Ck 12: Molecular Geometry
[Free Registration/Login may be required to access all resource tools.] The following online tutorial explains the basis of VSEPR theory. It helps students predict the shapes of molecules and polyatomic ions using VSEPR theory and it...
Simon Fraser University
Chem1 Virtual Textbook: Molecular Geometry
An advanced explanation of the valence shell electron pair repulsion (VSEPR) theory describes specific molecular models involving digonal, trigonal, tetrahedral, and octahedral coordination, as well as central atoms with five bonds....
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Molecule Shapes
Explore molecule shapes by building molecules in 3D. How does molecule shape change with different numbers of bonds and electron pairs? Find out by adding single, double or triple bonds and lone pairs to the central atom. Then, compare...