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Lewis Dot Structure

Lewis Dot Structure is a free chemistry learning tool for looking up Lewis structures and Lewis dot structures for common molecules and ions. It includes molecule diagrams, valence electron counts, formal charges, VSEPR geometry, polarity, and step-by-step drawing notes for formulas such as CO2, H2O, NH3, SO2, NO3-, and CO3 2-.

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Pros

Free to use with no login required+1
Includes diagrams, valence electrons, formal charges, VS+1
Supports common classroom molecules and ions such as CO2+1

Cons

Focused on classroom Lewis structures, so some advanced−1
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