About ODYSSEY VSEPR Theory
Why are some triatomic molecules linear (carbon dioxide, hydrogen cyanide) and others are bent (water, sulfur dioxide)? And why is the bond angle in water (~105°) smaller than that in sulfur dioxide (~119°)? Valence Shell...
Why are some triatomic molecules linear (carbon dioxide, hydrogen cyanide) and others are bent (water, sulfur dioxide)? And why is the bond angle in water (~105°) smaller than that in sulfur dioxide (~119°)? Valence Shell Electron Pair Repulsion (VSEPR) theory provides surprisingly simple explanations in terms of the electron pairs that surround the central atom of a given molecule. VSEPR theory is described in detail in every introductory chemistry book.
The ODYSSEY VSEPR Theory app provides three-dimensional models of 50 small molecules and ions as well as a set of generic models that illustrate the conceivable geometries of the theory. Each model can be moved and manipulated with simple touch gestures. Bond lengths and bond angles can be queried.
Users can pick from multiple model styles (such as Ball and Spoke or Space Filling), request a schematic display of lone pair positions, and show the molecular dipole arrow. A glossary, comments section, and a set of multiple-choice questions (with randomized options) are also available.
Most learners of chemistry are visually oriented. Complementing the presentation found in any introductory textbook, ODYSSEY VSEPR Theory enables exploration of one of the most fundamental concepts in general chemistry—molecular shape.
Jul 29, 2022
Version 1.0.5
iOS 15 fixes- minor content updates
Previous Versions
Here you can find the changelog of ODYSSEY VSEPR Theory since it was posted on our website on 2016-09-28 11:21:12.
The latest version is 1.0.5 and it was updated on 2024-04-02 09:45:46. See below the changes in each version.
ODYSSEY VSEPR Theory version 1.0.5
Updated At: 2022-07-29
Changes: Jul 29, 2022
Version 1.0.5
iOS 15 fixes- minor content updates
ODYSSEY VSEPR Theory version 1.0.3
Updated At: 2014-05-07
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