CAMBRIDGEUNIVERSITY PRESSChemistryfor Cambridge International AS A LevelWORKBOOKRoger NorrisDEDICATEDTEACHERAWARDSTeachers play an important part in shaping futures.OurDedicated Teacher Awards recognise the hard work thatteachers put in every day.Thank you to everyone who nominated this year,we have been inspired andmoved by all of your stories.Well done to all of our nominees for yourdedication to learning and for inspiring the next generation of thinkers,leaders and innovators.Congratulations to our incredible winner and finalistsWINNERAhmed SayaSharon Kong FoongAbhinandan BhattacharyaAnthony ChelliahCandice GreenJimrey Buntas DapinFor more information about our dedicated teachers and their stories,go todedicatedteacher.cambridge.orgBrighter ThinkingCAMBRIDGEBetter LearningUNIVERSITY PRESSBuilding Brighter Futures TogetheContentsHow to use this seriesHow to use this resourceResource indexIntroduction1 Atomic structure2Electrons in atoms3 Atoms,molecules and stoichiometry4 Chemical bonding5States of matter6 Enthalpy changes7Redox reactions8Equilibria9 Rates of reaction10 Periodicity11 Group 212 Group 1713 Nitrogen14 Introduction to organic chemistry15 Hydrocarbons16 Halogenoalkanes17 Alcohols,esters and carboxylic acids18 Carbonyl compounds19 Lattice energy20 Electrochemistry21 Further aspects of equilibria22 Reaction kinetics23 Entropy and Gibbs free energy24 Transition elements25 Benzene and its compounds26 Carboxylic acids and their derivatives27 Organic nitrogen compounds28 Polymerisation29 Organic synthesis30 Analytical chemistryP1 and P2 Practical skills