6 topics · 72 free flashcards
GCSE Chemistry flashcards
Free revision cards for students aged 14 to 16 in England, Wales and Northern Ireland, sorted by topic, with a quick quiz on every page.
About GCSE Chemistry
GCSE Chemistry covers a wide range of ideas, from the tiny particles inside atoms to large-scale industrial reactions. Students explore how substances are built, how they react, how energy is involved in those reactions, and how to calculate amounts using moles and equations. The challenge lies in the sheer variety of content: some topics demand mathematical skill, others require precise recall of facts, and many ask students to apply their understanding to unfamiliar situations they have never seen before.
Chemistry revision benefits enormously from active recall because so much of the subject depends on remembering specific definitions, symbol equations, and conditions for reactions. Simply re-reading notes rarely works. Flashcards force you to retrieve information from memory, which strengthens the neural pathways that hold that knowledge. Spaced repetition then ensures you revisit tricky cards more often, so facts about things like ionic bonding or rate-of-reaction factors stay fresh rather than fading before exam day.
Flashcards by topic
12 cards · 3-question quiz
Atomic structure and the periodic table
- · What three particles make up an atom?
- · What is the atomic number of an element?
- · How do you calculate the number of neutrons in an atom?
12 cards · 3-question quiz
Bonding and structure
- · What happens to electrons during ionic bonding?
- · What is a giant ionic lattice?
- · Why do ionic compounds have high melting points?
12 cards · 3-question quiz
Quantitative chemistry
- · What is the relative atomic mass (Ar) of an element?
- · How do you calculate the relative formula mass (Mr) of a compound?
- · What is a mole in chemistry?
12 cards · 3-question quiz
Chemical changes
- · What is an oxidation reaction in terms of oxygen?
- · What is a reduction reaction in terms of oxygen?
- · What is oxidation in terms of electron transfer?
12 cards · 3-question quiz
Energy changes
- · What is an exothermic reaction?
- · What is an endothermic reaction?
- · What is activation energy?
12 cards · 3-question quiz
Rates of reaction
- · What is the rate of a reaction?
- · What is activation energy?
- · How does increasing temperature affect reaction rate?
What you need to master
- Students must be able to write and balance symbol equations for a range of chemical reactions, including combustion, neutralisation, and displacement.
- A secure understanding of atomic structure, including protons, neutrons, and electrons, is essential for making sense of the periodic table and how elements bond.
- Students need to carry out quantitative calculations involving relative formula mass, moles, concentration, and percentage yield.
- Explaining how and why reaction rates change with temperature, concentration, surface area, and catalysts requires both factual knowledge and the ability to apply collision theory.
- Students should be able to interpret and draw graphs, including energy profile diagrams for exothermic and endothermic reactions and rate-of-reaction graphs.
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GCSE Chemistry revision questions
How do I remember all the equations for GCSE Chemistry?
Start by identifying which equations are given to you in the exam and which you must memorise, as this varies by specification. For those you need to learn, write each equation out repeatedly from memory rather than copying it, and test yourself using flashcards. Grouping equations by reaction type, such as all acid reactions together, helps your brain form connections that make recall easier under pressure.
Is maths a big part of GCSE Chemistry and how should I revise it?
Yes, quantitative chemistry involves a fair amount of calculation, including moles, concentration, and percentage yield. The best way to revise this is through repeated practice rather than just reading worked examples. Work through past questions without looking at the method, check your answer, and identify exactly where you went wrong. Keeping a dedicated page of worked examples for each calculation type gives you a reliable reference when you get stuck.
What is the best way to revise bonding and structure for GCSE Chemistry?
Bonding and structure is a topic where diagrams are just as important as written explanations. Practise drawing dot-and-cross diagrams for ionic and covalent bonding from memory, and make sure you can link the type of structure, such as giant ionic lattice or simple molecular, to its physical properties like melting point and electrical conductivity. Testing yourself by describing a structure aloud, as if explaining it to someone else, is particularly effective.
How long before the exam should I start revising GCSE Chemistry?
Ideally, begin structured revision at least eight weeks before your first Chemistry exam. This gives you enough time to work through all the major topics without rushing, revisit areas of weakness more than once, and complete several timed past papers. Starting early also means you can use spaced repetition properly, returning to flashcards and practice questions at increasing intervals so that knowledge is genuinely secure rather than crammed the night before.
Other courses
Written for general GCSE revision. Exam boards and schools differ, so check your own specification for exactly what you need to know. Lerno is not affiliated with any exam board.