Crossword Puzzle Chapter 2

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Across
  1. 1. The substances which participate in a chemical reaction
  2. 3. The building block of matter; the smallest possible particle of an element
  3. 4. An attraction between two atoms as a result of sharing or transferring valence electrons
  4. 6. a change of materials into another, new materials with different properties and one or more than one new substances are formed
  5. 7. the passive movement of molecules or particles from an area of higher concentration to an area of lower concentration
  6. 9. the process where a solute in gaseous, liquid, or solid phase dissolves in a solvent to form a solution
  7. 10. A substance that can produce hydroxide ions (OH-) or accept hydrogen ions (H+) in solution
  8. 13. fatty compounds that perform a variety of functions in your body
  9. 14. The substances formed during a chemical reaction, usually indicated on the right side of a chemical equation
  10. 15. The tendency of energy to disperse and become less available to do work
  11. 16. A change in a substance that does not change the identity of the substance
  12. 21. A measurement of the average speed of the particles within a substance
  13. 23. An organic compound comprised of the elements carbon, hydrogen, and oxygen
  14. 24. A naturally occurring catalyst, usually a protein
  15. 26. The smallest particle of a covalently bonded compound
  16. 27. molecules that combine to form proteins
Down
  1. 2. A pure substance made from two or more elements that are chemically combined
  2. 3. The attraction of particles in one substance for particles in a different substance
  3. 5. a molecule which represses or prevents another molecule from engaging in a reaction
  4. 8. The attraction between like particles within polar substances
  5. 11. A substance that can produce hydrogen ions (H+) in solution
  6. 12. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction
  7. 15. A pure substance made of only one kind of atom
  8. 17. A class of simple organic compounds important in living things as a source of both energy and structure
  9. 18. The ability to do work
  10. 19. a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative
  11. 20. A covalently bonded compound containing the element carbon
  12. 22. The physical stuff that makes up the universe, anything that occupies space and has mass
  13. 25. the basic building block of nucleic acids (RNA and DNA)