How electron repulsion dictates the three-dimensional shapes of molecules

Molecular geometry (VSEPR theory) | Chemistry | Khan Academy · 12:36 · Video: Khan Academy · Watch at the source

In short: Discover the principles of VSEPR theory and learn how to predict molecular geometry by understanding the way electron pairs interact around a central atom.

The video explores Valence Shell Electron Pair Repulsion (VSEPR) theory, a method used to determine the 3D structures of molecules. By using Lewis structures, you can learn to count electron domains and observe how the repulsion between electron pairs—including the specific effects of lone pairs—shapes the resulting geometry.

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