Mr A's Chemistry Toolkit

Learn the whole KS4 / GCSE Chemistry course Structured around the main KS4 Chemistry topics: Atomic Structure and the Periodic Table, Bonding and Structure, Quantitative Chemistry, Chemical Changes, Energy Changes, Rate of Reaction, Organic Chemistry, Chemical Analysis, Chemistry of the Atmosphere, and Using Resources. Concise topic notes and key equations written clearly for 14–16 year olds. Handy summaries of key definitions, symbols, units, and required practical ideas. Practise with questions and daily challenges Build confidence with regular practice: Topic-based quizzes with instant marking A Daily Challenge mode to encourage little-and-often revision XP and streaks to help you track progress over time Questions are written in the style of real GCSE items without copying past papers Smart Chemistry “Coach” tools Interactive calculators that don’t just give answers — they help you set the chemistry up correctly. Included Coaches: Moles Coach – link mass, moles, Mr, concentration and volume Concentration Coach – n = cV and solution calculations Gas Volume Coach – relate moles to gas volume at room temperature Balancing Equations Coach – step-by-step support for symbol equations Rates Coach – explore factors affecting rate and collision frequency Energy Changes Coach – endothermic vs exothermic reactions Each tool: Guides you to identify the unknown quantity Checks inputs for realistic chemical values Shows results clearly with correct units and notation Study, revise, then check understanding Use the tabs along the bottom to stay organised: Home – KS4 Chemistry hub with quick tools and topic shortcuts Study – clear notes and explanations by topic Practice – quiz yourself by topic Challenge – daily mixed practice with XP rewards Tools – jump straight into Chemistry coaches when stuck Now includes a Glossary of Key Chemistry Terms for quick reference. Learn your way Start wherever you need: Read the notes Try a short quiz Use a Coach tool to break down tricky calculations Designed for students and teachers Mr A’s Chemistry Toolkit works well for: Students revising independently at home Quick worked examples and checks in lessons Teachers setting focused practice or homework support No account required. No adverts. No in-app purchases. Just Chemistry.