Quaternary carbon

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Notion

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Science and technology

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What Wikipedia says

A quaternary carbon is a carbon atom bound to four other carbon atoms. For this reason, quaternary carbon atoms are found only in hydrocarbons having at least five carbon atoms. Quaternary carbon atoms can occur in branched alkanes, but not in linear alkanes.

Excerpt from the Wikipedia article “Quaternary carbon”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: V8rik at English Wikipedia, CC BY-SA 3.0, via Wikimedia Commons.