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Across 6. a saturated ring hydrocarbon containing 6 carbons in its molecule 8. macromolecules (large molecules) made by reaction of monomers (small molecules) containing a double bond (alkenes) 14. saturated hydrocarbons containing a ring structure 15. hydrocarbons having at least one double bond in their molecule 16. reactions in which two atoms or group of atoms are added to a double bond 17. hydrocarbons having only single bonds between carbon-carbon and carbon-hydrogen atoms 18. a benzene ring having a hydroxyl group attached to it 19. compounds having same molecular formula but different arrangement of atoms

Down 1. a saturated hydrocarbon containing 3 carbons in its molecule 2. an unsaturated hydrocarbon containing one double bond in its molecule 3. a benzene ring having a methyl group attached to it 4. compounds having at least one atom other than carbon as part of the ring structure 5. a substitution reaction in which a hydrogen atom in an alkane is replaced by a halogen atom 7. carbon-based molecules 9. hydrocarbons containing a benzene ring or a derivative of a benzene ring in their molecule` 10. hydrocarbons having at least one triple bond in their molecule 11. a geometric isomer having the substituents on the same side of the ring plane 12. reaction in which a molecule of water is added to a double bond in an alkene 13. an unsaturated ring hydrocarbon containing two double bonds in its molecule