Across
- 3. the basic unit of a chemical element
- 6. a group of atoms bonded together
- 9. increases the rate of a chemical reaction
- 11. two or more simple parts in combination
- 13. macronutrient found in certain foods
- 16. the product of the random distribution
- 19. sharing of electron pairs between atoms
- 22. undergoes change during a reaction.
- 23. the chemical species being observed
- 24. a nitrogen-containing base
- 25. substance that is refined for sale.
- 26. a part or aspect of something abstract
- 28. the minor component in a solution
- 31. a molecule with net electric
Down
- 1. macromolecules found in all cells
- 2. attraction between oppositely charged ion
- 4. a molecule of any of a class of compounds
- 5. an abnormal union of membranous surfaces
- 7. substance that is insoluble in water
- 8. a liquid mixture
- 10. the fact of forming a united whole
- 12. made up of chemical amino acids
- 14. organic compounds that contain amino
- 15. used to specify the acidity of a solution
- 17. negative electricity
- 18. natural subs. composed of large molecules
- 20. a substance that can form salt and water
- 21. mixture of weak acid and its base
- 24. a single rounded structure
- 27. the liquid in which a solute is dissolved
- 29. produced by a "fake" catalyst
- 30. a molecule that can donate a proton