Chemistry GCSE Revision 2025

Starts Thursday, 20th February

17:00 - 18:20

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Week Topic Focus Areas
BLOCK 1
1 Principles of Chemistry: Atomic Structure Structure of the atom, isotopes, electronic configuration, periodic trends
2 Bonding and Structure Ionic, covalent, and metallic bonding; giant structures and their properties
3 Chemical Formulae, Equations, and Calculations Relative formula mass, moles, empirical and molecular formula, stoichiometry
4 Acids, Bases, and Salts Properties of acids and bases, neutralization, preparing salts, and pH scale
BLOCK 2
5 Electrochemistry Electrolysis processes, extraction of metals, and electrochemical cells
6 Energy Changes Exothermic and endothermic reactions, energy profile diagrams, and bond energy calculations
7 Rates of Reaction Collision theory, factors affecting rate, and experimental methods
8 Chemical Tests Tests for gases, anions, cations, and identifying unknown substances
BLOCK 3
9 The Periodic Table and Group Trends Group 1, Group 7, and Group 0 elements; periodic trends
10 Organic Chemistry Alkanes, alkenes, crude oil, polymers, and ethanol production
11 The Atmosphere and Sustainability Composition of the atmosphere, pollutants, and sustainable resource use
12 Practical Skills and Data Analysis Review required practicals, graph interpretation, and evaluating methods