BASIC CHEMISRTY

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051
Across
  1. 3. _________ are formed when atoms share electron pairs pg 32
  2. 4. The building blocks of proteins are molecules pg 47
  3. 6. is the study of the chemical composition reactions of living matter pg 38
  4. 7. substances present in the greatest amount pg29
  5. 10. _____ is the most abundant and important inorganic compound in living material. pg 38
  6. 14. ____ is a substances that conduct an electrical current in solution.pg 39
  7. 15. the _______ of any atom is equal to the number of protons in its nucleus.pg 27
  8. 18. stored energy pg 24
  9. 22. energy absorbing reaction.pg 37
  10. 23. the basis of all reactions in which food fuels are broken down for energy pg 36
  11. 24. Reactions that release energy. pg 37
  12. 27. substances present in the smallest amount pg 29
  13. 29. ________ reactions involve both synthesis and decomposition pg 36
  14. 31. ________ are polymers of simple sugars linked together by dehydration synthesis. pg 43
  15. 32. ______ are flat molecules made of four interlocking hydrocarbon rings. pg 47
  16. 33. ____ have a bitter taste, feel slippery, and are proton acceptors pg 39
  17. 35. substances that conduct an electrical current in solution. pg 39
  18. 37. ENERGY energy in action. pg24
  19. 41. Fatty acids that contain one or more double bonds between carbon atoms are said to be __________ pg 46
  20. 43. _______ include two major classes of molecule DNA & RNA pg 53
  21. 44. have a sour taste, an can react with (dissolve) many metals. pg 39
  22. 45. bear a negative charge equal in strength to the positive charge of the proton.pg 25
  23. 47. when two or more different kind of atoms bind together. pg 28
  24. 50. When acid and base react together. pg 40
  25. 51. when atoms combine with other atoms, they are held together by _______ pg31
Down
  1. 1. ______ of an atom is the sum of the masses of its protons and neutrons. pg27
  2. 2. substances composed of two or more components physically intermixed pg 28
  3. 5. The substance on which an enzyme acts is called a ______ pg 52
  4. 8. ____ are chainlike molecules made of many similar or repeating units(monomers) pg 42
  5. 9. the capacity to do work or put matter ino motion. pg 24
  6. 11. _______ energy results from the movement of charged particles pg 24
  7. 12. _____ of any element or compound is equal to its atomic weight or molecular weight pg.29
  8. 13. _______ energy is the form stored in the bonds of chemical substances. pg24
  9. 15. ______ is the universal energy compound of body cells pg 55
  10. 16. anything that has mass and takes up space.
  11. 17. ________ bonding is common between dipoles such as water molecules pg 34
  12. 19. have the same number of protons (and electrons), but differ in the number of neutrons they contain. pg 27
  13. 20. atoms with only one or two valence shell electrons tend to be _______ pg34
  14. 21. ____ dissolve in fats or organic solvents, but not in water.pg 43
  15. 25. small atoms with six or seven valence shell electrons tend to be ________ pg34
  16. 26. clusters of smallest particles pg25
  17. 28. _______is an important base in the body pg 40
  18. 30. The main function is to provide the body with ready cellular fuel. pg 43
  19. 34. ________ are compact, spherical proteins that have at least tertiary structure.pg 50
  20. 36. bear a positive electrical charge pg25
  21. 38. ________ is a type of chemical bond is formed between atoms when one or more electrons are transferred pg 32
  22. 39. ________ energy that travels in waves pg 24
  23. 40. specifically indicates an atom’s outermost energy level or that portion of it containing the electrons that are chemically reactive pg 31
  24. 42. _________are homogeneous mixtures of components that may be gases, liquids, or solids. pg 29
  25. 46. Substances that cannot be broken down into simpler substances by ordinary chemical methods pg 25
  26. 48. ______ energy directly involved in moving matter pg24
  27. 49. substances that increase the rate of chemical reactions without themselves becoming chemically changed or part of the product. pg 38