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5 Written questions

5 Multiple choice questions

  1. ionic and polar substances dissolve in the water.
    hydrophillic vs hydrophobic
  2. two or more atoms held together by chemical bonds
  3. consists of a nucleus of positively charged protons and neutrally charged neuron
  4. when electrons are shared equally
    electronegativities are equal
  5. 1. Universal Solvent
    2. High Heat Capacity
    3. Ice
    4. Strong Cohesion/High Surface Tension
    5. Adhesion

5 True/False questions

  1. Hydrogen bondthe chemical bond that forms when electrons between atoms are shared
    occurs when electronegatives are similar

          

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

          

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

          

  4. Ionic bondsthe 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. Water -- AdhesionAdhesion is the attraction between the unlike substances
    demonstrates capillary action