Edexcel ChemistryIGCSE 2020TopicalAcids, bases and salt Bonding Chemical formulae, equations and calculationsElectrolysisElements, compounds and mixtures Energetics Extraction and uses of metals Gas in the atmosphere Group 1 (alkali metals) Group 7 (halogens)Organic ChemistryRates of reaction Reactivity series Reversible reactions and equilibria States of matterThe Periodic Table
