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INTERNATIONALGCSEChemistry (9-1)SPECIFICATIONPearson Edexcel International GCSE in Chemistry (4CH1)For first teaching September 2017First examination June 2019Issue 2

Edexcel, BTEC and LCCI qualificationsEdexcel, BTEC and LCCI qualifications are awarded by Pearson, the UK’s largest awardingbody offering academic and vocational qualifications that are globally recognised andbenchmarked. For further information, please visit our qualification websites atqualifications.pearson.com. Alternatively, you can get in touch with us using the details onour contact us page at qualifications.pearson.com/contactusAbout PearsonPearson is the world's leading learning company, with 35,000 employees in more than70 countries working to help people of all ages to make measurable progress in their livesthrough learning. We put the learner at the centre of everything we do, because whereverlearning flourishes, so do people. Find out more about how we can help you and yourlearners at qualifications.pearson.comThis specification is Issue 2. We will inform centres of any changes to this issue. The latestissue can be found on our website qualifications.pearson.comAcknowledgementsThis specification has been produced by Pearson on the basis of consultation with teachers,examiners, consultants and other interested parties. Pearson would like to thank all thosewho contributed their time and expertise to the specification’s development.References to third party material made in this specification are made in good faith. Pearsondoes not endorse, approve or accept responsibility for the content of materials, which maybe subject to change, or any opinions expressed therein. (Material may include textbooks,journals, magazines and other publications and websites.)All information in this specification is correct at time of going to publication.ISBN 978 1 446 93117 2All the material in this publication is copyright Pearson Education Limited 2018

Summary of Pearson Edexcel International GCSE inChemistry (4CH1) specification Issue 2 changesSummary of changes made between previous issue and thiscurrent issuePage numberSpecification point 4.16 has been amended.24The final statement in the section ‘Assessment requirements’ has beenreworded for clarity.27Information on sample assessment materials has been added.28The qualification Pearson Edexcel International GCSE in Science (SingleAward) (4SS0) has been removed from the section: Forbiddencombinations.31The formatting of Appendices 2 and 3 has been updated. Also, thenames and titles in Appendix 2 have been updated.39-42The title of Appendix 5 has been amended.45The subheading in the table of Appendix 5 has been corrected to Verbpreceding a command word .46If you need further information on these changes or what they mean, contact us viaour website at: tml.

Contents1About this specification1Using this specification1Course introduction2Qualification aims and objectives3Why choose Edexcel qualifications?4Why choose Pearson Edexcel International GCSE in Chemistry?5Supporting you in planning and implementing this qualification6Qualification at a glance7Paper overview72Chemistry content93Assessment information4Specification updates127Assessment requirements27Sample assessment materials28Experimental skills28Calculators28Assessment objectives and weightings29Relationship of assessment objectives to units29Administration and general informationEntries3131Forbidden combinations31Access arrangements, reasonable adjustments, specialconsideration and malpractice31Language of assessment31Access arrangements32Reasonable adjustments32Special consideration32Further information32Candidate malpractice33Staff/centre malpractice33Awarding and reporting33Student recruitment and progression34Prior learning and other requirements34Progression34

AppendicesAppendix 1: Codes3537Appendix 2: Pearson World Class Qualification design principles 39Appendix 3: Transferable skills41Appendix 4: Mathematical skills43Appendix 5: Command word taxonomy45Appendix 6: Suggested practical investigations47Appendix 7: The Periodic Table49Appendix 8: Glossary51

1 About this specificationThe Pearson Edexcel International GCSE in Chemistry is part of a suite of International GCSEqualifications offered by Pearson.This qualification is not accredited or regulated by any UK regulatory body.This specification includes the following key features.Structure: the Pearson Edexcel International GCSE in Chemistry is a linear qualification.Two written examinations must be taken in the same series at the end of the course ofstudy.Content: relevant, engaging, up to date and of equivalent standard to Pearson’s regulatedGCSE in Chemistry.Assessment: untiered, written examinations with questions designed to be accessible tostudents of all abilities.Approach: a solid basis for students wishing to progress to the Pearson Edexcel AS andAdvanced GCE Level or equivalent qualifications, focusing on key chemistry theory.Specification updatesThis specification is Issue 2 and is valid for the Pearson Edexcel International GCSE inChemistry examined from 2019. If there are any significant changes to the specificationPearson will inform centres. Changes will also be posted on our website.For more information please visit qualifications.pearson.comUsing this specificationThis specification has been designed to give guidance to teachers and encourage effectivedelivery of the qualification. The following information will help you get the most out of thecontent and guidance.Content: this is arranged as four topics in 2: Chemistry content. A summary ofsub-topics is included at the start of each topic. As a minimum, all the bullet points in thecontent must be taught. The word ‘including’ in the content helps specify the detail of whatmust be covered.Examples: throughout the content, we have included examples of what could be covered orwhat might support teaching and learning. It is important to note that examples are forillustrative purposes only and centres can use other examples. We have included examplesthat are easily understood and recognised by international centres.Practical investigations: these are included within 2: Chemistry content as specificationpoints in italics. Students will develop knowledge and understanding of experimental skillsthrough the context of the chemistry they are learning. Experimental skills are assessedthrough written examinations.Referencing: specification statements that are in bold with a ‘C’ reference relate to contentthat is only in the International GCSE in Chemistry and is not found in the InternationalGCSE in Science (Double Award).Pearson Edexcel International GCSE in Chemistry –Specification – Issue 2 – April 2018 Pearson Education Limited 20181

Course introductionThe Pearson Edexcel International GCSE in Chemistry is designed for use in schools andcolleges. It is part of a suite of International GCSE qualifications offered by Pearson.The course gives students the opportunity to experience chemistry within the context oftheir general education.How assessment relates to the qualifications available is shown below.Biology Paper 1Untiered Biology Paper 2UntieredInternationalGCSE in Biology Chemistry Paper 2UntieredInternationalGCSE inChemistry Physics Paper 2UntieredInternationalGCSE in Physics Chemistry Paper 1Untiered Physics Paper 1UntieredInternationalGCSE in Science(Double Award)A Pearson Edexcel International GCSE in Science (Single Award) qualification is alsoavailable. This will cover approximately 50% of the Pearson Edexcel International GCSE inScience (Double Award) specification, while still having a comparable level of rigour anddemand.2Pearson Edexcel International GCSE in Chemistry –Specification – Issue 2 – April 2018 Pearson Education Limited 2018

Qualification aims and objectivesThe aims and objectives of this qualification are to enable students to: learn about unifying patterns and themes in chemistry and use them in new and changingsituations acquire knowledge and understanding of chemical facts, terminology, concepts, principlesand practical techniques apply the principles and concepts of chemistry, including those related to the applicationsof chemistry, to different contexts evaluate chemical information, making judgements on the basis of this information appreciate the practical nature of chemistry, developing experimental and investigativeskills based on correct and safe laboratory techniques analyse, interpret and evaluate data and experimental methods, drawing conclusions thatare consistent with evidence from experimental activities and suggesting possibleimprovements and further investigations recognise the importance of accurate experimental work and reporting scientific methodsin chemistry select, organise and present relevant information clearly and logically using appropriatevocabulary, definitions and conventions develop a logical approach to problem solving in a wider context. select and apply appropriate areas of mathematics relevant to chemistry as set out undereach topic prepare for more advanced courses in chemistry and for other courses that requireknowledge of chemistry.Pearson Edexcel International GCSE in Chemistry –Specification – Issue 2 – April 2018 Pearson Education Limited 20183

Why choose Edexcel qualifications?Pearson – the world’s largest education companyEdexcel academic qualifications are from Pearson, the UK’s largest awarding organisation.With over 3.4 million students studying our academic and vocational qualificationsworldwide, we offer internationally recognised qualifications to schools, colleges andemployers globally.Pearson is recognised as the world’s largest education company, allowing us to driveinnovation and provide comprehensive support for Edexcel students to acquire theknowledge and skills they need for progression in study, work and life.A heritage you can trustThe background to Pearson becoming the UK’s largest awarding organisation began in 1836,when a royal charter gave the University of London its first powers to conduct exams andconfer degrees on its students. With over 150 years of international education experience,Edexcel qualifications have firm academic foundations, built on the traditions and rigourassociated with Britain’s education system.Results you can trustPearson’s leading online marking technology has been shown to produce exceptionallyreliable results, demonstrating that, at every stage, Edexcel qualifications maintain thehighest standards.Developed to Pearson’s world class qualifications standardsPearson’s world-class standards mean that all Edexcel qualifications are developed to berigorous, demanding, inclusive and empowering. We work collaboratively with a panel ofeducation thought leaders and assessment experts to ensure that Edexcel qualifications areglobally relevant, represent world-class best practice and maintain a consistent standard.For more information on the world class qualification process and principles, please go toAppendix 2: Pearson World Class Qualification design principles or visit our gn-principles.html4Pearson Edexcel International GCSE in Chemistry –Specification – Issue 2 – April 2018 Pearson Education Limited 2018

Why choose Pearson Edexcel International GCSE inChemistry?We’ve listened to feedback from all parts of the International and UK school subjectcommunity, including a large number of teachers. We’ve made changes that will engagestudents and give them skills that will support progression to further study in chemistry anda range of other subjects, in chemical sciences and elsewhere. Our content and assessmentapproach has been designed to meet students’ needs and be consistent with our approachacross the sciences.At Pearson we offer separate science qualifications in Biology, Human Biology, Chemistry andPhysics, as well as Double Award and Single Award Science qualifications – these have beendesigned to meet different students’ needs. The content and assessment approach in all ourscience qualifications has been designed to meet students’ needs in the following ways. Content that is interesting and engaging for students but is also designed to ensure goodpreparation, both for those continuing to further study and for those who wish to work ina chemistry-related field. There are opportunities to ‘localise’ the content to make it more relevant for students intheir own country. Question papers are clear and straightforward – our question papers are clear andaccessible for all students of all ability ranges and learning styles. Our mark schemes arestraightforward, so that the assessment requirements are clear. Students’ skills are broadly developed – we have designed the International GCSE toextend students’ knowledge by broadening and deepening skills, for example:–developing students’ practical skills by including a number of practicals in thespecification content. These can be supplemented with other suggested practicals.The skills developed will be assessed through questions in written examinations–improving students’ analytical and logic skills by applying understanding of scientificconcepts and principles to a range of situations. This will include some examinationquestions that are more problem solving in style–addressing the need for mathematical skills to complement students’chemistry skills by covering a range of mathematical areas.Progression to A Level – International GCSEs enable successful progression to A Level andbeyond. Through our World Class Qualification development process we have consulted withInternational Advanced Level and GCE A Level teachers as well as higher educationprofessors to validate the appropriateness of the qualification, including its content, skillsdevelopment and assessment structure.Courses to suit your students’ needs and interests – teachers of chemistry have achoice of International GCSE courses to deliver, each giving different levels of depth to meetstudents’ needs. As well as the Pearson Edexcel International GCSE in Chemistry, studentscan also be taught our International GCSE in Science (Double Award) or our InternationalGCSE in Science (Single Award). These courses offer a reduced amount of content, but areassessed to the same standard. Progression routes for these courses may vary slightly fromthose for the Pearson Edexcel International GCSE in Chemistry.More information about all our qualifications can be found on our Edexcel International GCSEpages at qualifications.pearson.comPearson Edexcel International GCSE in Chemistry –Specification – Issue 2 – April 2018 Pearson Education Limited 20185

Supporting you in planning and implementing thisqualificationPlanning We will give you a course planner and editable schemes of work. Our mapping documents highlight key differences between the new and the 2011 legacyqualifications.Teaching and learning Our Getting Started Guide gives you an overview of the Pearson Edexcel InternationalGCSE in Chemistry to help you understand the changes to content and assessment, andwhat these changes mean for you and your students. Print and digital learning and teaching resources promote any time, any place learning toimprove student motivation and encourage new ways of working.Preparing for examsWe will also give you a range of resources to help you prepare your students for theassessments, including: specimen papers to support formative assessments and mock exams examiner commentaries following each examination series.ResultsPlusResultsPlus provides the most detailed analysis available of your students’ examperformance. It can help you to identify the topics and skills where further learning wouldbenefit your students.examWizardThis is a free online data bank of past exam questions designed to support students andteachers with exam preparation and assessment.Training eventsIn addition to online training, we host a series of training events each year (both online andface-to-face) that give teachers a deeper understanding of our qualifications.Get help and supportOur subject advisor service ensures that you receive help and guidance from us. You cansign up to receive the Edexcel newsletter to keep up to date with our qualifications andreceive product and service news.6Pearson Edexcel International GCSE in Chemistry –Specification – Issue 2 – April 2018 Pearson Education Limited 2018

Qualification at a glanceThe Pearson Edexcel International GCSE in Chemistry comprises two externally-assessedpapers: Chemistry Paper 1 Chemistry Paper 2.Paper overviewChemistry Paper 1*Paper code 4CH1/1Cand 4SD0/1C Externally assessed61.1% of the totalInternational GCSE Availability: January and June First assessment: June 2019Content summaryAssesses core content that is not in bold and does not have a ‘C’ reference. Questions maycome from any topic area across the specification.1Principles of chemistry2Inorganic chemistry3Physical chemistry4Organic chemistryAssessment The paper is assessed through a 2-hour written examination paper set and marked byPearson. The total number of marks is 110. A mixture of different question styles, including multiple-choice questions, short-answerquestions, calculations and extended open-response questions. A calculator may be used in the examinations.Pearson Edexcel International GCSE in Chemistry –Specification – Issue 2 – April 2018 Pearson Education Limited 20187

Chemistry Paper 2*Paper code 4CH1/2C Externally assessed38.9% of the totalInternational GCSE Availability: January and June First assessment: June 2019Content summaryAssesses all the content, including content that is in bold and has a ‘C’ reference.Questions may come from any topic area across the specification.Bold statements cover some sub-topics in greater depth.1Principles of chemistry2Inorganic chemistry3Physical chemistry4Organic chemistryAssessment The paper is assessed through a 1-hour and 15-minute written examination paper setand marked by Pearson. The total number of marks is 70. A mixture of different question styles, including multiple-choice questions, short-answerquestions, calculations and extended open-response questions. A calculator may be used in the examinations.* See Appendix 1: Codes for a description of this code and all the other codes relevant tothis qualification.8Pearson Edexcel International GCSE in Chemistry –Specification – Issue 2 – April 2018 Pearson Education Limited 2018

2 Chemistry content1Principles of chemistry112Inorganic chemistry163Physical chemistry214Organic chemistry23Pearson Edexcel International GCSE in Chemistry –Specification – Issue 2 – April 2018 Pearson Education Limited 20189

10Pearson Edexcel International GCSE in Chemistry –Specification – Issue 2 – April 2018 Pearson Education Limited 2018

1Principles of chemistryThe following sub-topics are covered in this section.(a)States of matter(b)Elements, compounds and mixtures(c)Atomic structure(d)The Periodic Table(e)Chemical formulae, equations and calculations(f)Ionic bonding(g)Covalent bonding(h)Metallic bonding(i)Electrolysis(a)States of matterStudents should:1.1understand the three states of matter in terms of the arrangement, movement andenergy of the particles1.2understand the interconversions between the three states of matter in terms of: the names of the interconversions how they are achieved the changes in arrangement, movement and energy of the particles.1.3understand how the results of experiments involving the dilution of coloured solutionsand diffusion of gases can be explained1.4know what is meant by the terms: solvent solute solution saturated solution.1.5Cknow what is meant by the term solubility in the units g per 100 g of solvent1.6Cunderstand how to plot and interpret solubility curves

The Pearson Edexcel International GCSE in Chemistry is part of a suite of International GCSE qualifications offered by Pearson. This qualification is not accredited or regulated by any UK regulatory body . This specification includes the following key features. Structure: the Pearson Edexcel International GCSE in Chemistry is a linear .

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