A&P Test Chapter 2

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swimmin4fun247
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32559
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A&P Test Chapter 2
Updated:
2010-09-03 21:42:59
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Matter Energy Chemical Reactions etc
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Study for chapter 2.
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  1. Anything that has volume and mass.
    Volume
  2. Protons - Location, Mass, & Charge
    Nucleus, 1, +1
  3. Neutrons - Location, Mass, & Charge
    Nucleus, 1, No Charge
  4. Electrons - Location, Mass, & Charge
    Orbital Cloud, Greater than 0, -1
  5. Atoms with the same atomic number.
    Elements
  6. Atomic Number is equal to ______?
    Number of protons is equal to ______?
  7. Ion
    Atom with a charge.
  8. Charge is equal to ______?
    Protons - Electrons = ________?
  9. Isotope
    Atoms of the same element with different masses.
  10. Mass is equal to _____?
    Protons + Neutrons = _______?
  11. Molecule
    More than one atom held together by chemical bonds.
  12. Empeirical Formulae
    A2B3C
  13. Ion
    Atom loses or gains electrons, the protons and electrons are no longer equal.
  14. Positive Charge
    Atom loses an electron.
  15. Negative Charge
    Gains an electron.
  16. Positive charged ions remain close to _________? (In ionic bonding.)
    Negative charged ions remain close to __________? (In ionic bonding.)
  17. Covalent Bond
    When atoms share one or more electrons.
  18. Non-Polar Covalent Bond
    Equal Sharing of Electrons. Ex. O2
  19. Polar Covalent Bond
    Unequal sharing of electrons. Ex. H2O
  20. Slight Charge
    Polar Covalent Bond _________ Charge
  21. No Charge
    Non-Polar Covalent Bond _______ Charge
  22. Single Covalent Bond
    Sharing of one pair of electrons by two atoms. Ex. H-H
  23. Double Covalent Bond
    Two atoms sharing a pair of electrons. Ex. O=C=O
  24. Covalent bond is a (weak/strong) bond?
    Strong bond.
  25. Hydrongen bond is a (weak/strong) bond?
    Weak bond.
  26. Can dissolve in water.
    Anything charged or slightly charged.
  27. Hydrogen bond (opposites/likes) attract?
    Opposites attract.
  28. Energy
    The ability to preform work.
  29. Stored non-working energy.
    Potential Energy
  30. Energy caused by the movement of an object/Energy that does work.
    Kinetic Energy
  31. Forms of energy. (5)
    Chemical, Mechanical, Heat, Electrical, and Radiant
  32. Mechanical Energy
    Energy resulting from the position or movement of objects.
  33. Atoms, Ions, Molecules, or Compounds interact either to form or to break chemical bonds.
    Chemical Reaction
  34. ___________ -------> Products
    Reactants ---------> __________
  35. Forms of energy in a chemical reaction.
    Light, heat, kinetic.
  36. Decomposition Reaction
    Reactants are broken down into smaller, less complex molecules.
  37. Catalyst
    Increases the rate of a chemical reaction.
  38. Proton Donor
    Acid
  39. Proton Acceptor
    Base
  40. Neutral Soultion
    Equal number of H+ and OH-

    pH of 7.0
  41. Acidic Solution
    Greater number of H+ and OH-

    pH less than 7.0
  42. Basic Solution
    Fewer number of H+ and OH-

    pH greater than 7.0
  43. Resist change in pH
    Buffers
  44. Monosaccharide
    • "single-sugar"
    • Building block for all charbhydrates.
    • Glucose, fructose, ribose.
  45. Glucose + Fructose = Sucrose
    • Disaccharide
    • (Three added would be trisaccharide, etc.)
  46. Polysaccharide
    • Complex Carbohydrates
    • Starch, Cellulose, glycogen.
  47. Carbohydrate Function
    • Energy and Structure
    • Prevent the body from attacking itself.
  48. Peptide
    • Small chain of amino acids.
    • Di, tri, etc...
  49. Protein
    Functional Polypeptide
  50. Protein Function
    • Structure
    • Contraction
    • Hormones
    • Enzymes
  51. Nucleic Acids
    • P-Sugar-Base
    • Ex. ATP
  52. DNA - Deoxyribose
    • Form chromosomes.
    • A,G,C,T
  53. RNA - Ribose
    • Used for protein synthesis.
    • A,G,C,U
  54. Lipids
    Hydrophobic
  55. Glycerides
    • Glycerol + Fatty Acid
    • Di, Tri, etc.

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