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5 Written questions

5 Multiple choice questions

  1. 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
  2. tbe ability of an atom to attract an electron.
    most electronegative: F, O, N
  3. two or more atoms held together by chemical bonds
  4. water expands [because water molecules are kept seperated], and becomes less dense
    floats in liquid water
  5. when electrons are shared equally
    electronegativities are equal

5 True/False questions

  1. Water as a solventionic and polar substances dissolve in the water.
    hydrophillic vs hydrophobic

          

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

          

  3. polar covalent bondwhen electrons are shared equally
    electronegativities are equal

          

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

          

  5. Water -- Cohesion/Surface TensionAdhesion is the attraction between the unlike substances
    demonstrates capillary action

          

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