Directions: Answer the following questions in complete sentences ona blank sheet of lined paper. Be prepared to show your work for credit and discuss your answers with your classmates.

  1. What is polarity? Explain using a tug-o-war as an example.
  2. Which atom(s) win and lose the electron tug-o-war within a water molecule?
  3. What is a polar covalent bond (what does "covalent" mean and what does "polar" mean?
  4. How is a hydrogen bond different from the bond that holds a single water molecule together?
  5. What two things account for the unique properties of water? Give two examples of those unique properties.