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5 Written Questions

5 Multiple Choice Questions

  1. weak bonds between molecules
    form when H+ is in a covalent bond, but is attracted to another molecule [usually with a high electronegativity] in another covalently bonded molecule
  2. ionic and polar substances dissolve in the water.
    hydrophillic vs hydrophobic
  3. when the electrons aren't shared equally
    unequal distribution of charges
    \electrons are closer to the atom with the greater electronegativity and produces a negative charge
  4. water expands [because water molecules are kept seperated], and becomes less dense
    floats in liquid water
  5. changes temperature very slowlyare stable in response to temperature changes of the surrounding air


    *when sweat evaporates, a large amount of heat is taken with it and cools your body

5 True/False Questions

  1. nonpolar covalent bondwhen the electrons aren't shared equally
    unequal distribution of charges
    \electrons are closer to the atom with the greater electronegativity and produces a negative charge

          

  2. Properties of Water1. Universal Solvent
    2. High Heat Capacity
    3. Ice
    4. Strong Cohesion/High Surface Tension
    5. Adhesion

          

  3. Covalent Bondwhen the electrons aren't shared equally
    unequal distribution of charges
    \electrons are closer to the atom with the greater electronegativity and produces a negative charge

          

  4. electronegativitytbe ability of an atom to attract an electron.
    most electronegative: F, O, N

          

  5. Atomwater expands [because water molecules are kept seperated], and becomes less dense
    floats in liquid water

          

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