Study Guides

Unlock top marks in Edexcel GCSE Chemistry by mastering addition polymerisation. This guide breaks down how small alkene monomers join to form long-chain polymers, a fundamental concept in organic chemistry with major real-world implications.

This guide covers Alcohols (Edexcel GCSE Chemistry 2.12), a key topic in organic chemistry. We explore their structure, how they are made via fermentation and hydration, and how they react, providing essential knowledge to tackle exam questions on this versatile homologous series.

This guide provides a comprehensive overview of Alkanes (Edexcel GCSE Chemistry 2.10), covering their structure, properties, and reactions. It is designed to help students master the key concepts and excel in their exams by providing worked examples, memory hooks, and exam technique strategies.

Master AQA A-Level Alkanes with this comprehensive guide. We break down free-radical substitution, cracking, and fractional distillation, giving you the examiner's perspective on how to secure every mark on this foundational organic chemistry topic.

Unlock top marks in Edexcel GCSE Chemistry by mastering Atomic Structure. This guide breaks down the atom, explains the evolution of scientific models, and provides step-by-step methods for calculating relative atomic mass, ensuring you can tackle exam questions with confidence.

Atomic Structure is the foundation of all chemistry, explaining how electrons are arranged in atoms and how this arrangement determines chemical behaviour. This topic is essential for understanding periodic trends, bonding, and reactivity, and it's heavily tested in OCR A-Level exams through definitions, calculations, and trend explanations. Mastering this topic will unlock your understanding of the entire periodic table.

This guide provides a comprehensive overview of Atoms, Elements, and Compounds for AQA GCSE Chemistry. It covers the fundamental concepts of atomic structure, the historical development of the atomic model, and key separation techniques, all tailored to help students excel in their exams.

Master the essential skill of balancing chemical equations, a cornerstone of GCSE Chemistry. This guide breaks down the Law of Conservation of Mass and provides a step-by-step method to ensure you can confidently tackle any equation, securing crucial marks in your exam.

Master the core skill of balancing chemical equations for your Edexcel GCSE Chemistry exam. This guide breaks down the Law of Conservation of Mass and provides a foolproof step-by-step method to secure every mark, turning a tricky topic into a simple puzzle.

Calculating Energy Changes is a quantitative topic that requires you to use bond energy data to determine whether a reaction is exothermic or endothermic. This is a high-value skill in GCSE Chemistry because it combines mathematical calculation with conceptual understanding of energy transfer. Mastering this topic will earn you marks across AO1, AO2, and AO3, and it frequently appears in both Foundation and Higher tier papers.

Master the essential skill of calculating Relative Formula Mass (Mr) for your Edexcel GCSE Chemistry exam. This guide breaks down the core concepts, provides worked examples, and reveals common mistakes to help you secure every mark on this foundational topic.

This guide provides a comprehensive overview of carboxylic acids for AQA GCSE Chemistry. It covers the essential knowledge required for the exam, from the structure of the carboxyl group to the key reactions and their applications. By mastering this topic, students can confidently tackle a significant portion of the organic chemistry questions in their exams.

Master WJEC GCSE Chemistry Topic 3.1 by learning how to balance chemical equations, distinguish between exothermic and endothermic reactions, and calculate bond energies. This guide provides exam-focused content, worked examples, and multi-modal resources to help you secure top marks.

This guide provides a comprehensive overview of Chromatography for AQA GCSE Chemistry students. It covers the core principles of separation, the required practical, and the calculation of Rf values, all tailored to help you secure maximum marks in your exam.

This guide covers AQA GCSE Chemistry topic 7.7, Condensation Polymerisation. It is a Higher Tier topic focused on how polyesters are made, a crucial process for creating fabrics like fleece. Mastering this is key for top grades in Paper 2.

Master Edexcel GCSE Chemistry Topic 2.7 by exploring the journey of crude oil from a raw mixture to the essential fuels that power our world. This guide will equip you with the knowledge to tackle exam questions on fractional distillation, hydrocarbon properties, and alkane chemistry with confidence.

Master the art of drawing dot and cross diagrams for ionic and covalent bonds, a core skill for Edexcel GCSE Chemistry. This guide will show you how to secure top marks by accurately representing electron transfer and sharing.

Unlock top marks in Edexcel GCSE Chemistry by mastering the electrolysis of molten compounds. This guide breaks down the essential principles of ionic conduction and redox reactions, showing you exactly how to apply them to secure marks in your exam.

This guide breaks down the essential principles of elements, compounds, and mixtures for your OCR GCSE Chemistry exam. It covers how to classify substances, determine purity using melting point data, and master the separation techniques that frequently appear in exams. Secure top marks by understanding not just what these concepts are, but why they work and how examiners will test you on them.

Master the crucial exam skill of evaluating experimental data in Edexcel GCSE Chemistry. This guide will teach you how to think like an examiner, spot errors, and analyze data with precision to secure top marks.

This topic explores how temperature, concentration, surface area, and catalysts affect the speed of chemical reactions through collision theory. Mastering this content is essential for both Foundation and Higher Tier candidates, as it combines theoretical understanding with practical investigation skills and mathematical graph analysis—all heavily weighted in Edexcel assessments.

Unlock top marks in WJEC GCSE Chemistry with this guide to Flame Emission Spectroscopy (9.2). Discover why this instrumental method is superior to simple flame tests and learn how to interpret line spectra to identify metal ions and determine their concentrations, a key skill for your exam.

Unlock top marks in your Edexcel GCSE Chemistry exam by mastering fractional distillation. This guide breaks down how crude oil is separated into vital products like petrol and diesel, showing you exactly what examiners want to see in your answers.

Unlock top marks in Edexcel GCSE Chemistry with this guide to Fuels (Topic 2.9). We break down fractional distillation, combustion, and pollutants, giving you the examiner's perspective on how to structure your answers and avoid common pitfalls.

This guide explores the Group 1 alkali metals, a family of highly reactive elements. We'll dissect why their reactivity soars as you descend the group and master the exam techniques needed to describe their dramatic reactions with water, chlorine, and oxygen, ensuring you can confidently tackle 4- and 6-mark questions.

Unlock top marks in WJEC GCSE Chemistry by mastering Instrumental Methods. This guide demystifies how modern machines analyse substances with incredible speed and precision, moving beyond traditional test tubes to the world of forensic science and industrial quality control.

Unlock top marks in Edexcel GCSE Chemistry by mastering how atoms become ions and form powerful ionic bonds. This guide breaks down electron transfer, dot-and-cross diagrams, and the link between giant lattice structures and physical properties, focusing on the precise language examiners want to see.

Unlock top marks in your OCR GCSE Chemistry exam by mastering metallic bonding. This guide breaks down the essential 'electron sea' model, explaining exactly how to describe and draw the giant metallic lattice and link its structure to the classic properties of metals like conductivity and malleability.

Master the core principles of redox reactions for your OCR GCSE Chemistry exam. This guide breaks down electron and oxygen transfer, half-equations, and displacement reactions, equipping you with the knowledge to secure top marks.

This guide covers Edexcel GCSE Chemistry Topic 2.4: Reversible Reactions. It explains dynamic equilibrium, how it is established in closed systems, and how Le Chatelier's Principle (Higher Tier) predicts shifts in equilibrium when conditions change, ensuring you can secure top marks in your exam.