Across
- 3. The primary products of combustion are carbon dioxide and ____.
- 5. Fuels that are a mixture of hydrocarbons formed from the remains of plants and animals.
- 7. polymers built from sugar monomers.
- 10. A compound that contains carbon, hydrogen and often oxygen and nitrogen.
- 12. A type of group composed of substituted atoms of group of atoms.
- 14. Type of polymer used to make tires.
- 15. A large molecule that forms when many smaller molecules are liked together.
Down
- 1. A solid in which all atoms are linked by covalent bonds.
- 2. The type of compound with a double bond.
- 4. Formed when organic acids react with alcohols.
- 6. The functional group in an ___ is a hydroxyl group, OH-.
- 8. Polymers can be classified as _____ or synthetic.
- 9. Proteins that act as catalysts for reactions in cells.
- 11. Three types of fossil fuels are ____, natural gas and petroleum.
- 13. A polymer created from a chain of at least 100 amino acids.