What Is the Lewis Structure of Acetone?


Quick Answer

The Lewis structure of acetone is composed of two methyl groups single-bonded to a carbon atom, which is also double-bonded to an oxygen atom. The oxygen atom is the only atom that does not share all of its electrons, resulting in two lone pairs.

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What Is the Lewis Structure of Acetone?
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Full Answer

The number of valence electrons an atom has helps determine the Lewis structure of a molecule. Carbon has four valance electrons, oxygen has six and hydrogen has one. The oxygen shares electrons with carbon through double bonds, accounting for two of oxygen's valence electrons; the other four are accounted for through lone pairs. Acetone is also an achiral molecule, meaning that its mirror image is superimposable upon itself.

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