Choppin, Gregory R. <br/><br/>
Introductory chemistry / 
Gregory R. Choppin, Russell H. Johnsen. 
 - Reading, Massachusetts :  Addison-Wesley,  1972. 
 - xiii, 498 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry.