Open-chain meaning

An arrangement of atoms that does not form a ring, as in silicon compounds and various carbon compounds, such as aliphatic hydrocarbons.
noun
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An arrangement of atoms of the same type that does not form a ring. Aliphatic compounds, such as ethane and isopropyl alcohol, are open-chain compounds.
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(organic chemistry) Having carbon atoms arranged in a linear rather than cyclical chain.
adjective
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Any structural arrangement used in the models and formulas of molecules and consisting of a chain of atoms that does not form a closed geometric figure; specif., a straight or branched chain.
noun
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