Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.52C - Know how to represent a metallic lattice by a 2-D diagram. Specification Point 1.53C - Understand metallic bonding in terms of electrostatic attractions. Specification Point 1.54C - Explain typical physical properties of metals, including electrical conductivity and malleability. Complete set of Chapter 3 Lessons are available.

Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 20 - The Uses of Metals. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 2.22C - Know that most metals are extracted from ores found in the Earth’s crust and that unreactive metals are often found as the uncombined element. Specification Point 2.23C - Explain how the method of extraction of a metal is related to its position in the reactivity series, illustrated by carbon extraction for iron and electrolysis for aluminium. Specification Point 2.24C - Be able to comment on a metal extraction process, given appropriate information. Specification Point 2.25C - Explain the uses of aluminium, copper, iron and steel in terms of their properties. Specification Point 2.26C - Know that an alloy is a mixture of a metal and one or more elements, usually other metals or carbon. Specification Point 2.27C - Explain why alloys are harder than pure metals. Complete set of Chapter 4 Worksheets are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 2.28 - Describe the use of litmus, phenolphthalein and methyl orange to distinguish between acidic and alkaline solutions. Specification Point 2.29 - Understand how the pH scale can be used to classify solutions as strongly acidic, weakly acidic, neutral, weakly alkaline and strongly alkaline. Specification Point 2.30 - Describe the use of universal indicator to measure the approximate pH value of an aqueous solution. Specification Point 2.31 - Know that acids in aqueous solution are a source of hydrogen ions and alkalis in a aqueous solution are a source of hydroxide ions. Specification Point 2.32 - Know that alkalis can neutralise acids. Complete set of Chapter 5 Lessons are available.

Complete set of companion PDF worksheets for Edexcel IGCSE Chemistry (4CH1) Chapter 5 - Acids, Bases and Salts. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Five worksheets included: 21 - Acids and Alkalis 22 - Titrations 23 - Acids, Bases and Salts 24 - Making Salts 25 - Chemical Tests

A useful resource for students to practice their knowledge and examination technique for future external assessments. This is for the following paper: 4CH1 - 1C This mock is based on our 2023 Predicted Papers. These questions are completely original and have been designed from scratch. There has been no reuse of previous exam questions. Our mock paper follows the format of the true Edexcel IGCSE Chemistry 1C paper closely. It is also the exact duration and mark-count, with questions of increasing difficulty. A mark scheme is also attached. The paper covers the following specification points: • Topic 1b - Elements, compounds and mixtures (1.8 - 1.10) • Topic 1e - Chemical formulae, equations and calculations (1.25 - 1.32) • Topic 1f - Ionic bonding (1.37 – 1.41) • Topic 2a - Group 1 (2.1 – 2.3) • Topic 2d - Reactivity series (2.15 – 2.20) • Topic 2h - Chemical tests (2.44 – 2.50) • Topic 3a - Energetics (3.1 - 3.4) • Topic 4b - Crude oil (4.7 – 4.12) • Topic 4c - Alkanes (4.19 – 4.22) Disclaimer: This document was created by department heads with many years of experience teaching the Pearson Edexcel IGCSE Chemistry course. We cannot however guarantee that it is an accurate representation of upcoming examinations and students should not treat it as such. Please use this as an aid, alongside other methods of revision.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.3.9.1 - Carboxylic acids and esters. Complete set of Chapter 8 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.7 - Know that crude oil is a mixture of hydrocarbons. Specification Point 4.8 - Describe how the industrial process of fractional distillation separates crude oil into fractions. Specification Point 4.9 - Know the names and uses of the main fractions obtained from crude oil. Specification Point 4.10 - Know the trend in colour, boiling point and viscosity of the main fractions. Complete set of Chapter 7 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.9 - Describe experiments to investigate the effects of changes in surface area of a solid, concentration of a solution, temperature and the use of a catalyst on the rate of a reaction. Specification Point 3.10 - Describe the effects of changes in surface area of a solid, concentration of a solution, pressure of a gas, temperature and the use of a catalyst on the rate of a reaction. Specification Point 3.11 - Explain the effects of changes in surface area of a solid, concentration of a solution, pressure of a gas and temperature on the rate of a reaction in terms of particle collision theory. Specification Point 3.12 - Know that a catalyst is a substance that increases the rate of a reaction, but is chemically unchanged at the end of the reaction. Specification Point 3.13 - Know that a catalyst works by providing an alternative pathway with lower activation energy. Specification Point 3.15 - Practical: investigate the effect of changing the surface area of marble chips and of changing the concentration of hydrochloric acid on the rate of reaction between marble chips and dilute hydrochloric acid. Specification Point 3.16 - Practical: investigate the effect of different solids on the catalytic decomposition of hydrogen peroxide solution. Complete set of Chapter 6 Lectures are available.

Complete set of concise, modern presentations for Edexcel IGCSE Chemistry (4CH1) Chapter 5 - Acids, Bases and Salts. Contains colour coded specification points. Five presentations included: 21 - Acids and Alkalis 22 - Titrations 23 - Acids, Bases and Salts 24 - Making Salts 25 - Chemical Tests

Complete set of concise, modern presentations for Edexcel IGCSE Chemistry (4CH1) Chapter 7 - Organic Chemistry. Contains colour coded specification points. Eight presentations included: 31 - Organic Compounds 32 - Crude Oil 33 - Burning Hydrocarbons 34 - Alkanes and Alkenes 35 - Organic Compounds Part 2 36 - Esters 37 - Addition Polymers 38 - Condensation Polymers

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.1.2.5 - Balanced equations and associated calculations. Complete set of Chapter 1 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.1.2.2 - The mole and the Avogadro constant. Specification Point 3.1.2.3 - The ideal gas equation. Complete set of Chapter 1 Lectures are available.

Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 23 - Acids, Bases and Salts. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 2.34 - Know the general rules for predicting the solubility of ionic compounds in water. Specification Point 2.35 - Understand acids and bases in terms of proton transfer. Specification Point 2.36 - Understand that an acid is a proton donor and a base is a proton acceptor. Specification Point 2.37 - Describe the reactions of hydrochloric acid, sulfuric acid and nitric acid with metals, bases and metal carbonates to form salts. Specification Point 2.38 - Know that metal oxides, metal hydroxides and ammonia can act as bases, and that alkalis are bases that are soluble in water. Specification Point 2.39 - Describe an experiment to prepare a pure, dry sample of a soluble salt, starting from an insoluble reactant. Specification Point 2.42 - Practical: prepare a sample of pure, dry hydrated copper (II) sulphate crystals starting from copper (II) oxide. Complete set of Chapter 5 Worksheets are available.

Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 25 - Chemical Tests. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 2.44 - Describe tests for these gases: hydrogen, oxygen, carbon dioxide, ammonia and chlorine. Specification Point 2.45 - Describe how to carry out a flame test. Specification Point 2.46 - Know the colours formed in flame tests for the following cations: lithium, sodium, potassium, calcium and copper. Specification Point 2.47 - Describe tests for these cations: ammonium using sodium hydroxide solution and identifying the gas evolved. Copper, iron (II) and iron (III) using sodium hydroxide solution. Specification Point 2.48 - Describe tests for these anions: chloride, bromide and iodide using acidified silver nitrate solution. Sulphates using acidified barium chloride solution and carbonates using hydrochloric acid and identifying the gas evolved. Specification Point 2.49 - Describe a test for the presence of water using anhydrous copper (II) sulphate. Specification Point 2.50 - Describe a physical test to show whether a sample of water is pure. Complete set of Chapter 5 Worksheets are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 3.19C - Know that a reversible reaction can reach dynamic equilibrium in a sealed container. Specification Point 3.20C - Know that at dynamic equilibrium the forward and reverse reactions occur at the same rate and the concentrations of reactants and products remain constant. Specification Point 3.21C - Understand why a catalyst does not affect the position of equilibrium in a reversible reaction. Specification Point 3.22C - Know the effect of changing either temperature or pressure on the position of equilibrium in a reversible reaction. Complete set of Chapter 6 Lessons are available.

Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 34 - Alkanes and Alkenes. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 4.19 - Know the general formula for alkanes. Specification Point 4.20 - Explain why alkanes are classified as saturated hydrocarbons. Specification Point 4.21 - Understand how to draw the structural and displayed formulae for alkanes with up to five carbon atoms in the molecule, and to name the unbranched-chain isomers. Specification Point 4.22 - Describe the reactions of alkanes with halogens in the presence of ultraviolet radiation, limited to mono-substitution. Specification Point 4.23 - Know that alkenes contain a particular functional group (C=C). Specification Point 4.24 - Know the general formula for alkenes. Specification Point 4.25 - Explain why alkenes are classified as unsaturated hydrocarbons. Specification Point 4.26 - Understand how to draw the structural and displayed formulae for alkenes with up to four carbon atoms in the molecule, and name the unbranched-chain isomers. Specification Point 4.27 -Describe the reactions of alkenes with bromine to produce dibromoalkanes. Specification Point 4.28 - Describe how bromine water can be used to distinguish between an alkane and an alkene. Complete set of Chapter 7 Worksheets are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 2.1 - Understand how the similarities in the reactions of the group 1 elements with water provide evidence for their recognition as a family of elements. Specification Point 2.2 - Understand how the differences between the reactions of the alkali metals with air and water provide evidence for the trend in reactivity in group 1. Specification Point 2.3 - Use knowledge of trends in group 1 to predict the properties of other alkali metals. Specification Point 2.4C - Explain the trend in reactivity in group 1 in terms of electronic configurations. Complete set of Chapter 4 Lessons are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.1.5.1 - Collision theory. Specification Point 3.1.5.2 - Maxwell-Boltzmann distributions. Specification Point 3.1.5.3 - Effect of temperature on reaction rate. Specification Point 3.1.5.4 - Effect of concentration and pressure on reaction rate. Specification Point 3.1.5.5 - Catalysts. Practical 3: Investigation of how the rate of a reaction changes with temperature. Complete set of Chapter 3 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 1.1 - Understand the three states of matter in terms of the arrangement, movement & energy of the particles. Specification Point 1.2 - Understand 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 & energy of the particles. Complete set of Chapter 1 Lectures are available.

Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 31 - Organic Compounds. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 4.1 - Know that a hydrocarbon is a compound of hydrogen and carbon only. Specification Point 4.2 - Understand how to represent organic molecules using empirical formulae, molecular formulae, general formulae, structural formulae and displayed formulae. Specification Point 4.3 - Know what is meant by the terms homologous series, functional group and isomerism. Specification Point 4.4 - Understand how to name compounds relevant to this specification using the rules of IUPAC nomenclature. Specification Point 4.5 - Understand how to write the possible structural and displayed formulae of an organic molecule given its molecular formula. Specification Point 4.6 - Understand how to classify reactions of organic compounds as substitution, addition and combustion. Complete set of Chapter 7 Worksheets are available.