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Pearson Edexcel International GCSE (9–1) Chemistry (Modular) — 4XCH1 | KnowledgeSet

Subjects
IGCSE
Chemistry
Edexcel
Pearson Edexcel International GCSE (9–1) Chemistry (Modular) — 4XCH1

IGCSEEdexcel4XCH1

Pearson Edexcel International GCSE (9–1) Chemistry (Modular) — 4XCH1

Pearson Edexcel International GCSE (9–1) Chemistry, **4XCH1**, following the **modular assessment route**. Assessment is divided into units that can be taken and resat separately. This route is available only to schools outside the UK.

1a States of matter

1.1Particle arrangement, movement and energy

1.2Changes of state

1.3Dilution and diffusion

1.4Solvents, solutes and solutions

1.6CSolubility curves

1.7CPractical: solubility of a solid

1b Elements, compounds and mixtures

1.8Elements, compounds and mixtures

1.9Melting and boiling points of pure substances

1.10Separation techniques

1.11Interpreting chromatograms

1c Atomic structure

1.14Atoms and molecules

1.15Subatomic particles

1.16Atomic number, mass number and isotopes

1.17Relative atomic mass from isotopic abundances

1d The Periodic Table

1.18Arrangement of the Periodic Table

1.19Electronic configurations of the first 20 elements

1.20Properties of metals and non-metals

1.21Positions of metals and non-metals

1e Chemical formulae, equations and calculations

1.25Chemical equations and state symbols

1.26Relative formula mass

1.28Amount of substance and mass calculations

2a Reactivity series

2.1Metal reactions with water and acids

2.2Metal displacement reactions

2.3The reactivity series

2.4Conditions for rusting

3a Energetics

3.1Exothermic and endothermic reactions

3.2Calorimetry experiments

3.3Heat energy change calculations

3.4Molar enthalpy change calculations

4a Introduction

4.1Hydrocarbons

4.2Representing organic molecules

4.3Homologous series, functional groups and isomerism

4.4Naming organic compounds

5f Ionic bonding

5.1Formation of ions

5.2Charges of common ions

5.3Formulae of ionic compounds

5.4Dot-and-cross diagrams for ionic bonding

6e Group 1 (alkali metals) – lithium, sodium and potassium

6.1Group 1 reactions with water

6.2Reactivity trends in Group 1

6.3Predicting alkali metal properties

7b Rates of reaction

7.1Investigating factors affecting reaction rate

7.2Effects of conditions on reaction rate

7.3Collision theory

8e Alcohols

8.1CThe alcohol functional group

8.2CAlcohol structures and names

8.3COxidation of ethanol

8.4CManufacturing ethanol

1.12Rf calculations

1.13Practical: paper chromatography

1.22Electronic configuration and position in the Periodic Table

1.23Chemical properties within a group

1.24The unreactivity of noble gases

1.29Reacting mass calculations

1.30Percentage yield

1.31Experimental determination of chemical formulae

1.32Empirical and molecular formulae

1.33Calculating empirical and molecular formulae

1.34CSolution concentration calculations

1.35CGas volume calculations

1.36Practical: determining a metal oxide formula

2.5Preventing rusting

2.6Oxidation, reduction and redox

2.7Practical: metals reacting with acids

2b Extraction and uses of metals

2.8CMetal ores and uncombined metals

2.9CReactivity and methods of metal extraction

2.10CEvaluating metal extraction processes

2.11CUses of aluminium, copper, iron and steel

2.13CHardness of alloys

2c Acids, alkalis and titrations

2.14Acid-base indicators

2.15The pH scale

2.16Universal indicator

2.17Hydrogen and hydroxide ions

2.18Neutralisation of acids by alkalis

2.19CAcid-alkali titration

2d Acids, bases and salt preparations

2.20Solubility rules

2.21Proton transfer in acid-base reactions

2.22Proton donors and acceptors

2.23Acid reactions producing salts

2.24Bases and alkalis

2.25Preparing a soluble salt from an insoluble reactant

2.26CPreparing a soluble salt from an acid and alkali

2.27CPreparing an insoluble salt by precipitation

2.28Practical: preparing copper(II) sulfate crystals

2.29CPractical: preparing lead(II) sulfate

3.5CEnergy level diagrams

3.6CEnergy changes in bond breaking and making

3.7CBond energy calculations

3.8Practical: temperature changes in reactions

4.5Structural and displayed formulae from molecular formulae

4.6Substitution, addition and combustion reactions

4b Crude oil

4.7Crude oil as a mixture

4.8Fractional distillation of crude oil

4.9Names and uses of crude oil fractions

4.10Trends in crude oil fraction properties

4.11Fuels and heat energy

4.12Complete and incomplete combustion

4.13Carbon monoxide poisoning

4.14Nitrogen oxides from car engines

4.15Sulfur dioxide from fuels

4.17Catalytic cracking

4.18Supply and demand for oil fractions

4c Alkanes

4.19The general formula of alkanes

4.20Saturated hydrocarbons

4.21Alkane structures and names

4.22Substitution reactions of alkanes

4d Alkenes

4.23The alkene functional group

4.24The general formula of alkenes

4.25Unsaturated hydrocarbons

4.26Alkene structures and names

4.27Addition of bromine to alkenes

4.28The bromine water test

5.5Electrostatic attraction in ionic bonding

5.6Melting and boiling points of ionic lattices

5.7Electrical conductivity of ionic compounds

5g Covalent bonding

5.8Shared electron pairs in covalent bonds

5.9Electrostatic attraction in covalent bonding

5.10Dot-and-cross diagrams for covalent bonding

5.11Simple molecular structures and intermolecular forces

5.12Molecular mass and melting and boiling points

5.13Giant covalent structures

5.14Diamond, graphite and fullerene

5.15Electrical conductivity of covalent compounds

5h Metallic bonding

5.16CMetallic lattice diagrams

5.17CMetallic bonding

5.18CProperties of metals

5i Electrolysis

5.19CExplaining conductivity of covalent compounds

5.20CExplaining conductivity of ionic compounds

5.21CAnions and cations

5.22CElectrolysis experiments and products

5.23CElectrode half-equations and redox

5.24CPractical: electrolysis of aqueous solutions

Explaining Group 1 reactivity

6f Group 7 (halogens) – chlorine, bromine and iodine

6.5Physical properties of the halogens

6.6Predicting halogen properties

6.7Halogen displacement reactions

6.8CExplaining Group 7 reactivity

6g Gases in the atmosphere

6.9Composition of dry air

6.10Determining the oxygen content of air

6.11Combustion of elements in oxygen

6.12Thermal decomposition of metal carbonates

6.13Carbon dioxide and climate change

6.14Practical: oxygen percentage in air

6h Chemical tests

6.15Tests for gases

6.16Carrying out a flame test

6.17Flame test colours

6.18Tests for cations

6.19Tests for anions

6.20Chemical test for water

6.21Testing the purity of water

7.5Catalysts and activation energy

7.6CReaction profiles and activation energy

7.7Practical: marble chips and hydrochloric acid

7.8Practical: catalytic decomposition of hydrogen peroxide

7c Reversible reactions and equilibria

7.9Reversible reactions

7.10Examples of reversible reactions

7.11CDynamic equilibrium in a sealed container

7.12CCharacteristics of dynamic equilibrium

7.13CCatalysts and equilibrium position

7.14CTemperature, pressure and equilibrium position

8.5CConditions for fermentation

8f Carboxylic acids

8.6CThe carboxylic acid functional group

8.7CCarboxylic acid structures and names

8.8CCarboxylic acid reactions

8.9CVinegar and ethanoic acid

8g Esters

8.10CThe ester functional group

8.11CFormation of ethyl ethanoate

8.12CStructure of ethyl ethanoate

8.13CDeducing ester structures and reactants

8.14CProperties and uses of esters

8.15CPractical: preparing an ester

8h Synthetic polymers

8.16Addition polymerisation

8.17Repeat units of addition polymers

8.18Deducing monomers and repeat units

8.19Disposal of addition polymers

8.20CCondensation polymerisation

8.21CPolyester structures and repeat units

8.22CBiodegradable polyesters