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5 Written questions

5 Multiple choice questions

  1. atoms that have positive or negative charges
  2. Strong cohesion [attraction between water molecules]
    occurs because of hydrogen bonding
    High Surface Tension -- creates a water surface that is firm enough to allow insects to walk upon it
  3. tbe ability of an atom to attract an electron.
    most electronegative: F, O, N
  4. the chemical bond that forms between two atoms when one or more electrons are transformed from one atom to anohter.
    happens when the electronegatives differ
    creates ions
  5. 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

5 True/False questions

  1. Properties of Watertwo or more atoms held together by chemical bonds


  2. Water -- Adhesionionic and polar substances dissolve in the water.
    hydrophillic vs hydrophobic


  3. Water as a solventAdhesion is the attraction between the unlike substances
    demonstrates capillary action


  4. Iceatoms that have positive or negative charges


  5. nonpolar covalent bondwhen electrons are shared equally
    electronegativities are equal