Halka, Monica. <br/><br/>
Nonmetals / 
Monica Halka and Brian Nordstrom. 
 - New York, NY :  Facts on File,  c2010. 
 - xxxiv, 187 p. :  ill. (chiefly col.) ; 
 - Periodic table of the elements .
<br/><br/>Includes bibliographical references (p. 166-177) and index. 
<br/><br/><label>ISBN: </label>9780816073672 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nonmetals.<br/>Periodic law.
<br/><br/><label>Dewey Class. No.: </label>546/.7 HAL.6