TY - BOOK AU - Chang, Raymond. AU - Chang, Raymond. ED - ED - ED - ED - TI - : the essential concepts SN - 007115115X (ISE : acid-free paper) SN - 2 PY - 2003///;copyright 200346 CY - Boston PB - McGraw-Hill KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Chemistry N1 - Rev. ed. of: Essential chemistry. 2nd ed. c2000.;Includes index; 5 ER -