Crossword Puzzle Chapter 2

Edit Answers
12345678910111213141516171819202122232425262728
Across
  1. 1. The building block of matter; the smallest possible particle of an element.
  2. 5. The attraction of particles in one substance for particles in a different substance.
  3. 6. The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
  4. 7. A substance that can produce hydrogen ions in solution.
  5. 9. An attraction between two atoms as a result of sharing or transferring valence electrons.
  6. 11. An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
  7. 12. A covalently bonded compound containing the element carbon.
  8. 14. A class of simple organic compounds important in living things as a source of both energy and structure.
  9. 17. A naturally occurring catalyst, usually a protein.
  10. 18. A pure substance made from two or more elements that are chemically combined.
  11. 20. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
  12. 21. A pure substance made of only one kind of atom.
  13. 24. A class of organic compounds that serve as the building blocks of proteins.
  14. 25. A measurement of the average speed of the particles within a substance.
  15. 27. The substances formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation.
  16. 28. A substance that can produce hydroxide ions or accept hydrogen ions in solution.
Down
  1. 2. The physical stuff that makes up the universe. Anything that occupies space and has mass.
  2. 3. A change in a substance that does not change the identity of the substance (e.g., a change of form or state).)
  3. 4. The attraction between like particles within polar substances.
  4. 8. The tendency of energy to disperse and become less available to do work.
  5. 10. The smallest particle of a covalently bonded compound.
  6. 11. A change in substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  7. 13. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
  8. 15. A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
  9. 16. A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
  10. 19. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
  11. 22. The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
  12. 23. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  13. 26. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.