READING  ASSIGNMENT:  CHAPTER.  2 ; PAGE 20 -30
                                                CHAPTER.  3;  PAGE  37- 43

A.  Elements
 

B.  Atomic Structure

        1.  Nucleus

                a.  Protons and Neutrons

                b.  Atomic Number

                c.  Atomic Mass

        2.  Electrons

Fig. 2-3.  Representation of Atoms

                                    Fig. 2.8
 

        C.  Chemical Bonds

                1.  Ionic Bonds
 

2.  Covalent Bonds

3.  Hydrogen Bonds
 

4.  Solutes, Solvents, Solution, Water and pH.

Hydrophilic

Hydrophobic

Acid:  yields hydrogen ions when put in solution.

Base:  accepts hydrogen ios in solution.