AU - BARKER,ALAN AU - KNAPP,KATHRYN TI - WORK OUT CHEMISTRY 'O' LEVEL AND GCSE T2 - MACMILLAN MASTER SERIES SN - 0333389964 U1 - 540.076/BAR PY - 1986/// CY - LONDON PB - MACMILLAN KW - CHEMISTRY KW - 'O' LEVEL PREPARATION KW - ATOMS AND MOLECULES KW - PERIODIC TABLE KW - BONDING AND STRUCTURE KW - ENEGY KW - ACIDS, BASES, SALTS KW - METALS KW - CARBON KW - NITROGEN AND PHOSPHORUS KW - ATMOSPHERE AND COMBUSTION KW - WATER AND HYDROGEN KW - OXYGEN AND SULPHUR KW - THE HALOGENS KW - ORGANIC CHEMISTRY ER -