Edexcel IGCSE Chemistry (Modular): Unit 2
Exam Questions

How are Ions Formed?, What are Some Common Ions?, Finding the Formulae for Ionic Compounds, Ionic Bonds: Dot & Cross Diagrams, Ionic Compounds: Bonds, Structure & Properties

How are Covalent Bonds Formed?, Covalent Bonds: Dot & Cross Diagrams, Simple Molecular Structures, Giant Covalent Structures

Metallic Bonding

Explaining Conductivity, Electrolysis Experiments, How to Write Half-Equations, Practical: Investigate the Electrolysis of Aqueous Solutions

Group 1 (Alkali Metals), Group 1: Reactivity & Electronic Configurations

Group 7 (Halogens), Group 7: Reactivity & Electronic Configurations

Composition of Air, Practical: Determine the % of Oxygen in Air, Combustion of Elements, Carbon Dioxide from Thermal Decomposition, What is the Greenhouse Effect?

How to Test for Gases, How to Carry Out a Flame Test, How to Test for Cations, How to Test for Anions, How to Test for Water

Measuring Rates of Reactions, Explaining Rates, What are Catalysts?, What is Activation Energy?, Practical: Effect of Surface Area on Rate of Reaction, Practical: Effect of Catalysts on Rate of Reaction

What are Reversible Reactions?, What is a Dynamic Equilibrium?, The Position of Equilibrium

What are Alcohols?, Oxidation of Ethanol, Manufacture of Ethanol

What are Carboxylic Acids?, Reactions of Carboxylic Acids

What are Esters?, Practical: Preparation of Ethyl Ethanoate

What are Addition Polymers?, Disposal of Addition Polymers, What are Condensation Polymers?