Chapter 2 Vocabulary

Edit Answers
1234567891011121314151617181920212223242526272829303132333435
Across
  1. 1. molecule composed of many monomers; makes up macromolecules
  2. 4. building block of nucleic acids
  3. 7. substance that speeds up the rate of a chemical reaction
  4. 9. type of bond in which atoms share electrons evenly or unevenly
  5. 11. the center of an atom which contains the protons and neutrons
  6. 12. a compound that forms hydroxide (OH-) ions in a solution; a solution with a pH of more than 7
  7. 17. an element or compound produced by the chemical reaction; on the right side of a chemical equation
  8. 18. type of mixture in which all the components are evenly distributed (another name for a homogeneous mixture)
  9. 19. atom that has a positive or a negative charge
  10. 21. type of reaction that transforms one set of chemicals into another set of chemicals
  11. 22. compound made of C, H, and O atoms; provide a major energy source for the body; a sugar
  12. 23. a compound that forms hydrogen (H+) ions in a solution; has a pH of less than 7
  13. 24. protein catalyst that speeds up the rate of specific biological reactions
  14. 26. type of chemical bond in which one or more electrons are transferred from one atom to another
  15. 27. substance formed by the chemical combination of two or more elements
  16. 31. type of bond that is a weak attraction between a hydrogen atom and another atom
  17. 33. small chemical unit that makes up a polymer
  18. 34. the macromolecule needed by the body for growth, repair, and muscle development
  19. 35. the substance dissolving materials in a solution
Down
  1. 2. material composed of two or more elements or compounds that are PHYSICALLY mixed together but not chemically combined
  2. 3. reactant of an enzyme-catalyzed reaction
  3. 5. negatively charged particle found in energy levels around the nucleus
  4. 6. the "van der ____" forces that are the slight attraction between oppositely charged regions of nearby molecules
  5. 8. type of acid that is the building block of proteins; made of an amino and a carboxyl group
  6. 10. a compound that prevents sharp, sudden changes in pH by neutralizing acids or bases
  7. 13. a mixture of water and non-dissolved material
  8. 14. smallest unit of a compound that displays all properties of that compound
  9. 15. compound made mostly of C and H; include fats, oils, and waxes
  10. 16. energy input that is needed for a reaction to begin
  11. 17. the scale with values from 0 to 14 that measures hydrogen ion concentration in a solution
  12. 20. type of acid that includes DNA and RNA; also a macromolecule
  13. 21. attraction between atoms of the same substance (example: water and water)
  14. 23. the basic unit of matter
  15. 25. a substance that is dissolved in a solution
  16. 28. pure substance made of only one type of atom
  17. 29. force of attraction between different kinds of molecules (example: water and a fingertip)
  18. 30. a form of an element with a different number of neutrons
  19. 32. an element or compound that enters a chemical reaction; on the left side of a chemical equation