Irish AP C.2

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