Chapter 2 Vocab

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Across
  1. 2. Substance that speeds up the rate of a chemical reaction
  2. 5. Small chemical unit that makes up a polymer
  3. 6. Type of mixture in which all of the components are evenly distributed
  4. 8. Compound made of carbon, hydrogen, and oxygen atoms
  5. 10. Mixture of water and no dissolved material
  6. 12. Force of attraction between different types of molecules
  7. 17. Type of bond between atoms in which the electrons are shared
  8. 22. Attraction of molecules of the same substance
  9. 23. Molecule composed of many monomers; makes up macromolecules
  10. 26. Elements or compounds that enter into a chemical reaction
  11. 28. SubUnit of which nucleic acids are composed; 5 carbon sugar, a phosphate group, and a nitrogenous base
  12. 29. Macromolecule that contains carbon, hydrogen, oxygen, and nitrogen
  13. 31. Energy input that is needed for a reaction to begin
  14. 34. Pure substance that consists entirely of one type of atom
  15. 36. Scale with values 0-14, used to measure the concentration of H+ ions in a solution
  16. 37. Compound that prevents sharp, sudden changes in pH
  17. 38. Elements or compounds produced by chemical reactions
Down
  1. 1. Weak attraction between a hydrogen atom and another atom
  2. 3. Chemical bond formed by one or more electrons are transferred from one atom to another
  3. 4. Protein catalyst that speeds up the rate of specific biological reactions
  4. 7. Slight attraction that develops between oppositely charged regions of nearby molecules
  5. 9. Compound that forms hydrogen ions (H+) in a solution; a pH less than 7
  6. 11. Substance that is dissolved in a solution
  7. 13. Material composed of two or more elements or compounds that are physically mixed together but not chemically combined
  8. 14. Compound with an amino group on one end and a carboxyl group on the other end
  9. 15. Dissolving substance in a solution
  10. 16. Negatively charged particle; located in the space surrounding the nucleus
  11. 18. Macromolecule made mostly from carbon and hydrogen atoms; fats, oils, and waxes
  12. 19. Macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorous
  13. 20. One of several forms of a single element, which contains the same number of protons but different number of neutrons
  14. 21. Atom that has a positive or negative charge
  15. 24. Process that changes, or transforms, one set of chemicals into another set of chemicals
  16. 25. The basic unit of matter
  17. 27. Smallest unit of most compounds that displays all the properties of that compound
  18. 30. Reactant of an enzyme-catalyzed reaction
  19. 32. Substance formed by the chemical combination of two or more elements in definite proportions
  20. 33. Compound that produces hydroxide ions (OH-) in a solution; pH greater than 7
  21. 35. The center of an atom, which contains protons and neutrons