1.1Core
Solids, liquids and gases
Suggested starting targetUse particle arrangements to explain state properties and changes.
Check scope · page 12Preparing your learning workspace…
CLASSOVIA / SCIENCE STUDIO
Chemistry 0620
Cambridge IGCSE · 2026–2028 exams · official edition v2. Original concise targets, topic mapping and unit investigations.
Full official syllabus12units
48Core
49Extended
This concise Classovia guide maps all subtopic headings. It is not a reproduction of the official document or a claim of endorsement. Years refer to examinations. Extended includes Core and Supplement; local targets do not replace full official details. Checked: 30 September 2026.
Core: papers 1 and 3, plus practical paper 5 or 6. Weightings: 30% multiple choice, 50% theory, 20% practical. Check the school's entry options in the source.
1Matter and particles (2)
Unit investigation; adapt to the selected topic
Draw particle models before and after a state change; explain what changes and what stays the same.
1.2Core
Diffusion
Suggested starting targetExplain mixing by random particle movement and compare diffusion observations.
Check scope · page 122Atoms and bonding (6)
Unit investigation; adapt to the selected topic
Compare supplied particle diagrams and justify bonding-based property predictions.
2.1Core
Elements, compounds and mixtures
Suggested starting targetDistinguish elements, compounds and mixtures using particle diagrams.
Check scope · page 132.2Core
Atomic structure and the Periodic Table
Suggested starting targetCalculate particle counts and connect electronic arrangements with table position.
Check scope · page 132.3Core
Isotopes
Suggested starting targetCompare atoms with the same proton number but different neutron counts.
Check scope · page 132.4Core
Ions and ionic bonds
Suggested starting targetModel ion formation and connect ionic structure with its properties.
Check scope · page 142.5Core
Simple molecules and covalent bonds
Suggested starting targetRepresent shared electrons in simple molecules and link structure with properties.
Check scope · page 142.6Core
Giant covalent structures
Suggested starting targetCompare carbon structures and explain differences in physical properties.
Check scope · page 143Chemical quantities (3)
Unit investigation; adapt to the selected topic
Balance a selected equation and use appropriate quantities for the student's track.
3.1Core
Formulae
Suggested starting targetConstruct chemical formulas and balance equations without changing formulas.
Check scope · page 153.2Core
Relative masses of atoms and molecules
Suggested starting targetCalculate relative formula masses and reacting masses using simple ratios.
Check scope · page 153.3Core
The mole and the Avogadro constant
Suggested starting targetRecognise mass-per-volume and mole-per-volume concentration units.
Check scope · page 164Electrochemistry (2)
Unit investigation; adapt to the selected topic
Label an electrolysis or fuel-cell diagram and explain particle and energy movements.
4.1Core
Electrolysis
Suggested starting targetExplain ion movement and identify electrode products for a specified electrolyte.
Check scope · page 164.2Core
Hydrogen–oxygen fuel cells
Suggested starting targetDescribe how a hydrogen-oxygen fuel cell produces electricity and compare its use.
Check scope · page 175Energy changes (1)
Unit investigation; adapt to the selected topic
Interpret a supplied temperature-time chart and justify whether energy enters or leaves the system.
5.1Core
Exothermic and endothermic reactions
Suggested starting targetCompare exothermic and endothermic changes using temperature evidence.
Check scope · page 186Reactions and rates (4)
Unit investigation; adapt to the selected topic
Compare supplied reaction data; identify a fair test and explain one trend.
6.1Core
Physical and chemical changes
Suggested starting targetDistinguish changes using whether a new substance is formed.
Check scope · page 196.2Core
Rate of reaction
Suggested starting targetInterpret reaction-rate data and compare tests with controlled variables.
Check scope · page 196.3Core
Reversible reactions and equilibrium
Suggested starting targetDescribe a reversible change and how a condition can reverse it.
Check scope · page 206.4Core
Redox
Suggested starting targetIdentify oxidation and reduction from oxygen transfer in a reaction.
Check scope · page 217Acids and salts (3)
Unit investigation; adapt to the selected topic
Choose a preparation method for a stated salt and explain how purity would be checked.
7.1Core
The characteristic properties of acids and bases
Suggested starting targetUse indicators and reaction evidence to compare acids and bases.
Check scope · page 227.2Core
Oxides
Suggested starting targetClassify oxides using acidic or basic behaviour.
Check scope · page 237.3Core
Preparation of salts
Suggested starting targetChoose a salt preparation route based on solubility and reagents.
Check scope · page 238Periodic patterns (5)
Unit investigation; adapt to the selected topic
Use group data to predict an unfamiliar member; distinguish evidence from extrapolation.
8.1Core
Arrangement of elements
Suggested starting targetUse group and period position to predict a chemical pattern.
Check scope · page 248.2Core
Group I properties
Suggested starting targetCompare alkali-metal trends and use data to predict a group member.
Check scope · page 248.3Core
Group VII properties
Suggested starting targetUse halogen trends and displacement evidence to compare reactivity.
Check scope · page 258.4Core
Transition elements
Suggested starting targetDistinguish transition metals by characteristic physical and chemical behaviour.
Check scope · page 258.5Core
Noble gases
Suggested starting targetConnect full outer shells with low reactivity and suitable uses.
Check scope · page 259Metals (6)
Unit investigation; adapt to the selected topic
Choose a metal or alloy for a stated design and justify its protection or extraction route.
9.1Core
Properties of metals
Suggested starting targetLink metallic properties with typical chemical reactions.
Check scope · page 269.2Core
Uses of metals
Suggested starting targetChoose a metal for a stated use and justify the relevant properties.
Check scope · page 269.3Core
Alloys and their properties
Suggested starting targetUse a structure model to explain why an alloy differs from a pure metal.
Check scope · page 279.4Core
Reactivity series
Suggested starting targetRank metals using reaction observations and predict displacement.
Check scope · page 279.5Core
Corrosion of metals
Suggested starting targetIdentify conditions for rusting and evaluate a protection method.
Check scope · page 289.6Core
Extraction of metals
Suggested starting targetChoose an extraction approach using a metal's reactivity.
Check scope · page 2810Environmental chemistry (3)
Unit investigation; adapt to the selected topic
Evaluate a water-treatment or emissions scenario using supplied observations.
10.1Core
Water
Suggested starting targetInterpret water-test evidence and describe treatment for a specified purpose.
Check scope · page 2910.2Core
Fertilisers
Suggested starting targetConnect fertiliser composition with the plant nutrients it supplies.
Check scope · page 3010.3Core
Air quality and climate
Suggested starting targetConnect named emissions with environmental effects and control strategies.
Check scope · page 3011Organic chemistry (8)
Unit investigation; adapt to the selected topic
Sort structural formulas by family and justify a predicted reaction or use.
11.1Core
Formulae, functional groups and terminology
Suggested starting targetIdentify a homologous series and its functional group from a structural formula.
Check scope · page 3111.2Core
Naming organic compounds
Suggested starting targetMatch a simple organic name with a displayed or structural formula.
Check scope · page 3211.3Core
Fuels
Suggested starting targetCompare fuel combustion and explain the separation of crude oil fractions.
Check scope · page 3311.4Core
Alkanes
Suggested starting targetUse saturated structures to predict basic alkane behaviour.
Check scope · page 3411.5Core
Alkenes
Suggested starting targetIdentify unsaturation and explain its detection using reaction evidence.
Check scope · page 3411.6Core
Alcohols
Suggested starting targetCompare ethanol production routes and explain a practical use.
Check scope · page 3511.7Core
Carboxylic acids
Suggested starting targetConnect the carboxyl group with characteristic acid reactions.
Check scope · page 3511.8Core
Polymers
Suggested starting targetRelate a repeating polymer structure to its monomer and an environmental issue.
Check scope · page 3612Investigation and analysis (5)
Unit investigation; adapt to the selected topic
Interpret a teacher-supplied dataset, select apparatus and propose a repeatable method.
12.1Core
Experimental design
Suggested starting targetChoose apparatus and variables to obtain interpretable, repeatable measurements.
Check scope · page 3712.2Core
Acid–base titrations
Suggested starting targetExplain accurate volume measurement and an end point in acid-base titration.
Check scope · page 3712.3Core
Chromatography
Suggested starting targetUse a chromatogram to compare components and infer a mixture.
Check scope · page 3812.4Core
Separation and purification
Suggested starting targetSelect a separation technique using solubility, volatility or particle size.
Check scope · page 3812.5Core
Identification of ions and gases
Suggested starting targetInterpret given qualitative-test observations using a suitable reference table.
Check scope · page 38Lesson lab: a clear question, independent and dependent variables, controls, measured units, repeats and comparison, then a conclusion with evidence limits. Use suitable datasets or simulations for remote teaching; physical experiments follow school supervision and safety policy.