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VSEPRplex (pronounced "ves-per-plex") is an interactive chemistry package that helps students visualize and understand molecular geometry. While building and exploring their own 3-D structures, students encounter the shapes and properties of small covalent molecules. VSEPRplex™ was designed for use in senior high school and college chemistry courses.

Core Topics
- Valence electrons and the octet rule
- Covalent bonds and Lewis structures
- Electronegativity
- Electron pairs and bond angle
- Molecular shape and the VSEPR model

Key Features
- Point-and-click periodic table
- Display of element attributes and structural calculations
- Skeletal, Lewis, wireframe and space-filling models
- Interactive real-time 3-D rotations
- Online help, tutorial and fundamental structures chart