Keynes, Milton <br/><br/>
Science : a foundation course 
Milton Keynes 
 - Great Britain  Open University Press  1980 
 - v.; 28cm. 
 - Open university : second level course; no.S101 .
<br/><br/> Unit 12: Chemical reactions  Unit 13 : periodic table and chemical bonding  
<br/><br/><label>ISBN: </label>0335 08072 3 
<br/><br/><label>Dewey Class. No.: </label>OU507  / SCI