Irish AP C.2

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Across
  1. 7. catalysts in living things
  2. 9. type of covalent bond where one atom has more attraction for the shared pair than the other
  3. 12. type of change that only alters how something looks
  4. 13. language that is the origin of some unusual chemical symbols
  5. 16. ion in acids
  6. 17. fundamental substances- 92 naturally occurring
  7. 19. sugar in DNA
  8. 20. fat molecules with at least one double or triple C bond
  9. 24. building blocks of nucleic acids
  10. 27. common element in living things that forms 4 covalent bonds
  11. 28. reaction between an acid and base
  12. 31. most important inorganic compound in the body
  13. 32. more accurate atomic models show electrons in a ______ around the nucleus
  14. 33. heavier isotope that is often unstable and undergo decay
  15. 35. compounds that provide a ready energy source
  16. 41. symbols and subscripts that describe a molecule
  17. 42. occurs when bonds break and form
  18. 44. 2 or more atoms bonded together
  19. 46. polysaccharide found in the liver and muscles
  20. 47. energy molecule in the body
  21. 48. shape of steroid molecules
  22. 49. anything that occupies space and has mass
  23. 50. ability to do work
Down
  1. 1. released when ATP becomes ADP
  2. 2. characteristic of an element that is unique to each element
  3. 3. element in proteins but not in lipids or carbs
  4. 4. ex:sucrose,lactose,maltose
  5. 5. base that exists in RNA but not DNA
  6. 6. basic sugar that is broken down for energy
  7. 8. atom of the same element with different mass
  8. 10. weak bonds that hold one water molecule to another
  9. 11. one or two letter representation of an element
  10. 14. type of change that involves the composition of matter
  11. 15. chemicals used to keep body pH in a narrow range
  12. 18. building blocks of carbohydrates
  13. 21. group that makes each amino acid unique
  14. 22. word to describe many energy conversions and meaning that much of the energy is "lost" to other forms
  15. 23. substance that is a combination of elements
  16. 25. type of bond resulting from the sharing of electrons
  17. 26. outer electrons involved in bonding
  18. 29. ex:neutral fats, phospholipids, steroids
  19. 30. subatomic particles involved in bonding
  20. 34. scale used to rate the strength of acids and bases
  21. 36. building blocks of proteins
  22. 37. ion in bases
  23. 38. smallest part of an element with all of its properties
  24. 39. fat molecules with all single bonded C
  25. 40. sum of protons and neutrons
  26. 43. compounds that contain carbon
  27. 44. part of the cell containing phospholipids
  28. 45. type of bond resulting from the gaining and losing of electrons
  29. 46. other component of fats along with fatty acids
  30. 51. sugar in RNA