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AP Biology Semester 1 Review
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  1. AP Biology Semester 1 Review Huu Le

  2. Chapter 2 Vocab. #1 Isotopes

  3. Chapter 2 Vocab. #1 Element w/diff. # of neutrons than common amount

  4. Chapter 2 Vocab. #2 Energy levels

  5. Chapter 2 Vocab. #2 Diff. states of potential energy that electrons contain in an atom, aka electron shells

  6. Chapter 2 Vocab. #3 Electronegativity

  7. Chapter 2 Vocab. #3 Attraction of atom’s electrons of a covalent bond - More electronegativity = closer electrons  “polar” molecule

  8. Chapter 2 Vocab. #4 Hydrogen bonds

  9. Chapter 2 Vocab. #4 Hydrogen atom bonds to electronegative atom, attracted to another electronegative atom (water)

  10. Chapter 2 Vocab. #5 Reactants

  11. Chapter 2 Vocab. #5 Hydrogen bonds

  12. Chapter 2 Vocab. #6 Product

  13. Chapter 2 Vocab. #6 Result of reactants combined (2 Hydrogen + Oxygen = Water)

  14. Chapter 2 Vocab. #7 Chemical equilibrium

  15. Chapter 2 Vocab. #7 Products form and break down at equal rate -amount of the product stable and constant

  16. Chapter 3 Vocab. #8 Cohesion

  17. Chapter 3 Vocab. #8 hydrogen bonds hold substances together like water

  18. Chapter 3 Vocab. #9 Adhesion

  19. Chapter 3 Vocab. #9 one substance clings onto another (water clinging to leaves)

  20. Chapter 3 Vocab. #10 Specific heat

  21. Chapter 3 Vocab. #10 Amount of heat 1 gram of a substance needs to change its temperature by 1C - calculated in calories

  22. Chapter 3 Vocab. #11 solution

  23. Chapter 3 Vocab. #11 mixture of multiple substances

  24. Chapter 3 Vocab. #12 Solvent & solute

  25. Chapter 3 Vocab. #12 substance that dissolves the solute (gets dissolved)

  26. Chapter 3 Vocab. #13 Acid

  27. Chapter 3 Vocab. #13 substance that increases the hydrogen ion concentration of a solution (H+)

  28. Chapter 3 Vocab. #14 Base PH is the measurement to indicate the acidity level of a substance. The scale is from 0 to 14, with 0 being the strongest acid, 14 being the strongest base, and 7 being water.

  29. Chapter 3 Vocab. #14 Substance that has more OH- (opposite of acid)

  30. Chapter 3 Vocab. #15 pH

  31. Chapter 3 Vocab. #15 measurement of acidity level of a substance 0 (acid)  14 (base)

  32. Chapter 3 Vocab. #16 Buffers

  33. Chapter 3 Vocab. #16 Substances that lower the amount of changes of H+ and OH- in a solution

  34. Chapter 3 Vocab. #17 Acid deposition

  35. Chapter 3 Vocab. #17 Rain w/ pH >= 5.6 occurs when there are acidic gases in atmosphere

  36. Chapter 4 Vocab. #18 Organic chemistry

  37. Chapter 4 Vocab. #18 Branch of chemistry specializes in compounds w/ contain carbon (essential to life)

  38. Chapter 4 Vocab. #19 Hydrocarbons

  39. Chapter 4 Vocab. #19 Compounds made only of carbon and hydrogen

  40. Chapter 4 Vocab. #20 Structural isomers

  41. Chapter 4 Vocab. #20 Molecules w/ same elements but diff. arrangement of bonds

  42. Chapter 4 Vocab. #21 Geometric isomers

  43. Chapter 4 Vocab. #21 Molecules that differ in the spatial arrangements of covalent bonds

  44. Chapter 4 Vocab. #22 Enantiomers

  45. Chapter 4 Vocab. #22 molecules that are mirror images of each other

  46. Chapter 5 Vocab. #23 Dehydration Reaction

  47. Chapter 5 Vocab. #23 monomers bond by losing water molecules in process

  48. Chapter 5 Vocab. #24 Hydrolysis

  49. Chapter 5 Vocab. #24 Polymers break due to the addition of water molecules

  50. Chapter 5 Vocab. #25 Monosaccharides