Chemistry :  the central science / 
Gary L. Long, Sharon D. Long, Doris I. Lewis. 
 - 7th ed. 
 - N. J. :  Prentice Hall,  c1997. 
 - viii, 99p. : ill. ; 21 cm. 
<br/><br/><label>ISBN: </label>0137272723 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>LC Class. No.: </label>QD31.2   / L85 1997