A molecule consisting only of H and C.

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An organic compound that contains only carbon and hydrogen; classified, according to the arrangement of the atoms and the chemical properties of the compounds, as alicyclic, aliphatic, and aromatic; derived mostly from crude petroleum and also from coal tar and plant sources.

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An organic compound that contains only carbon and hydrogen; classified, according to the arrangement of the atoms and the chemical properties of the compounds, as alicyclic, aliphatic, and aromatic; derived mostly from crude petroleum and also from coal tar and plant sources.

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An organic compound that contains only carbon and hydrogen; classified, according to the arrangement of the atoms and the chemical properties of the compounds, as alicyclic, aliphatic, and aromatic; derived mostly from crude petroleum and also from coal tar and plant sources.

Source