Chapter 2 Vocabulary Puzzle

1234567891011121314151617181920212223242526272829
Across
  1. 2. attraction between like particles whin polar substances.
  2. 3. A pure substance made of only one kind of atom
  3. 5. An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose
  4. 8. change- A change in a substance that does not change the identity of the substance
  5. 11. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
  6. 14. A substance that is present before a chemical reaction and takes part in it usually shown on the left-hand side of a chemical reaction
  7. 17. the smallest particle of a covalently bonded compound
  8. 20. the physical stuff that makes up the universe. Anything that occupies space and has mass.
  9. 21. A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes
  10. 23. A class of simple organic compounds important in living things as a source of both energy and structure.
  11. 25. the tendency of energy to disperse and become less available to do work.
  12. 26. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  13. 27. acid- A class of organic compounds that serve as the building blocks of proteins.
  14. 28. A substance that can produce hydroxide ions or accept hydrogen ions in solutions.
  15. 29. A naturally occurring catalyst, usually a protein
Down
  1. 1. The process by which ones substance, the solute, is broken up into smaller pieces bu and distributed within a second substance, the solvent
  2. 4. A pure substance made from two or more elements that are chemically combined
  3. 6. A substance that can produce hydrogen ions in solution
  4. 7. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge wile others are postitve
  5. 9. attraction of particles in one substance for particles in a different substance.
  6. 10. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
  7. 12. change- A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  8. 13. the process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
  9. 15. the ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
  10. 16. A measurement of the average speed of the particles within a substance
  11. 18. The substances formed during a chemical reaction usually indicated on the right-hand side of a chemical reaction
  12. 19. compound- A covalently bound compound containing the element carbon.
  13. 22. attraction between two atoms as a result of sharing or transferring valence electrons.
  14. 24. The building block of matter; the smallest possible particle of an element.