00588nam a2200133   4500001000700000100004100007101000800048200002200056210005300078215002800131330024600159606001400405710003500419383000  a20050920d1964       y0pory50      ba  aeng  aChemical systems   aSt. LouiscWebster Division, McGraw-Hilld[1964]  avii, 772 p.cil.d25 cm  aPreface. Part One. The nature of chemical change. Part Two. The electrical nature of chemical systems. Part Three. Models as aids to the interpretation  of systems. Part Four. Bonds in chemical systems. Part Five. Order, disorder and change.  aQUÍMICA  aCHEMICAL BOND APPROACH PROJECT