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Study Guide: Comprehensive Portion of Final ExamCh21.What is the octet rule? How is it significant?2.Explain the difference between polar and nonpolar covalent bonds and the role of electronegativity in each.3.Describe hydrogen bonds and their importance in biology. 4.Using table salt as an example, describe the formation of ions, ionic bonds and the effect of water on these.5.Distinguish between hydrophilic and hydrophobic and amphipathic substances.6.Draw 2 water molecules. Label the atoms, polar covalent bonds, and hydrogen bonds.
Ch37. What is an organic molecule? What’s special about carbon?