These are the sort of questions that might be on the
           cumulative mini-tests.  These are things I hope you might
           know from your previous chemistry courses.
      
      1.   Fill in the blanks:
      
                     Name                          Formula
      
                nitrate ion                        NO3-
      
                phosfate ion                       PO43-
      
                magnesium chloride                 MgCl2
      
                ammonia (nitrogen trihydride!)     NH3
      
                iron(III) carbonate                Fe2(CO3)3
      
                sulfuric acid                      H2SO4(aq)           
      
      
      2.        Indicate whether the following compounds are ionic (I),
           or covalent (C).
      
                sodium chloride                    I
      
                carbon tetrachloride               C
      
                copper(II) nitrate                 I
      
                dinitrogen oxide                   C                    
                
      
      3.        What is the structure (molecular shape) of the
           following? (Draw or describe)
      
           SiBr4               PH3           SO2             IF4-      
      # of 
      lone 
      pairs: 0                 1              1               2
      
           tetrahedral         pyramidal     bent        square planar
                               
            BrBr                                          F     F   
             \/                  :          O     O        \ : /
             Si                  P           \   /           I
            /  \                /|\            S           / : \  
          Br    Br             H H H           :          F     F
      

      4.        Complete and balance the following equations:
      
           Cl2 + 5F2 ---> 2ClF5(l)  
      
         Zn(s) + 2 HCl(aq) ---> H2(g) + ZnCl2(aq)
      
      2 H+(aq) + CO3-2(aq) ---> CO2(g) +  H2O(l)   
           
      3 BaCl2(aq) +  Al2(SO4)3(aq) ---> 2 AlCl3(aq) + 3BaSO4(s)