Quiz Grade _________         Quiz 1       Recitation Section ____
January 19, 1996                 CHM 1045 -- 8:00 am -- Dr. Light
     Names           SSN                Names          SSN

______________________________     ______________________________

______________________________     ______________________________

______________________________     ______________________________


This quiz is closed book.  The colored copy is to be completed and
handed in by the study group, and each person working on the quiz
should sign (legibly) above.  The white copies are for you to keep.
Be sure to give the correct recitation number.

Show your work on all problems, setting up the calculations
including units and the dimensional analysis involved.  Round off
your final answer to the correct number of significant figures.


1.   The mass of a container filled with liquid mercury is 144.0 g,
     and the mass of the empty container is 110.2 g.

(2)  (a)  What volume does the container hold?
          (Density of mercury = 13.546 g/mL)














(2)  (b)  The same container is then filled with a second liquid,
          and the mass of the filled container is 113.9 g.  What is
          the density of the second liquid?






(3)2.Determine the number of electrons, protons, and neutrons in
     the following atoms or ions:

         32
     A.    P        ____electrons       ____protons    ____neutrons
         15

        207   2+
     B.    Pb       ____electrons       ____protons    ____neutrons
         82




(1)3.Name the following elements:


          K  ___________________   Cu  _______________



(1)4.Give the symbol for the following elements:


          gold ________            calcium _______




(1)5.Carry out the following calculation, and give the answer to
     the correct number of significant figures:

     89.52x(1321-1.285x103) =