Memotiva AP Biology Unit 1 Topic 1.2: Elements of Life — Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfur (CHNOPS)

What is the carbonyl functional group?

AP Biology Unit 1 Topic 1.2: Elements of Life — Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfur (CHNOPS)

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Nortren·April 11, 2026

What is the carbonyl functional group?

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The carbonyl group consists of a carbon double-bonded to an oxygen. When the carbonyl is at the end of a carbon chain, the molecule is an aldehyde, and when it is in the middle, the molecule is a ketone. Carbonyls are common in sugars and other biomolecules.