The CIE IGCSE Chemistry topics listed can be arranged in a logical order based on the typical progression of learning in chemistry:

• States of Matter - This is the foundation as it introduces the basic building blocks: solids, liquids, and gases.
• Atoms, Elements and Compounds - Understanding the structure of atoms, elements, and how they combine forms the basis for further study.
• Stoichiometry - Once you know how elements combine, stoichiometry helps you calculate the quantities involved in reactions.
• Chemical Reactions - Now you delve deeper into how and why elements and compounds interact.
• Chemical Energetics - Chemical reactions involve energy transfer, so understanding exothermic and endothermic reactions is crucial.
• Periodic Table - The periodic table organizes elements and helps predict their behavior. This knowledge complements your understanding of atoms and elements.
• Electrochemistry - This explores the relationship between electricity and chemical reactions, a more advanced topic.
• Metals - Metals are a specific group of elements with unique properties, so understanding them is a dedicated topic.
• Acids, Bases and Salts - These are special types of compounds with characteristic properties, so they deserve focused study.
• Chemistry of the Environment - Applies chemical principles to understand environmental issues. This can be placed later as it builds on prior knowledge.
• Organic Chemistry - This is the study of carbon-based compounds, a vast and specialized field often covered separately.
• Experimental Techniques & Chemical Analysis - Learning proper lab techniques and analysis methods is essential throughout the course.