National 5 science
National 5 Chemistry
Start with a topic, work through an example, then try some questions on your own.
Practise one topic at a time, mix topics or try a short exam-style set. Your progress is saved separately for this course.
If you get stuck, choose prepared guidance or optional AI Tutor for a conversation about this course. Recovery helps you revisit a topic with support before trying fresh questions on your own. Tutor Scotland checks ordinary science practice within the site. How optional AI Tutor uses information.
Use the feedback to decide what to practise next. If we can’t check an answer reliably, we’ll show it as unconfirmed. Practice feedback does not give official marks or predict a grade.
Use original practice investigations and sample data to prepare for your assignment. Do your assessed assignment yourself and follow your teacher’s guidance. You’ll need supervised practical work to show your lab skills.
Chemical changes and structure
- Reaction rates, curves and fair comparisons
- Atoms, nuclides, isotopes and the periodic table
- Covalent bonds, electron pairs and molecular shapes
- Structure, melting, solubility and conductivity
- Ions, charge and ion-electron equations
- Chemical names, valency and group-ion formulae
- Balanced equations and physical states
- Formula mass, mass, moles and solutions
- Reacting quantities from balanced equations
- Percentage composition of compounds
- pH, dilution, water and oxides
- Acids, bases, salts and spectator ions
- Preparing soluble salts and precipitates
- Titration measurements and concentration
Chemistry in society
- Metallic bonding and metal reactions
- Oxidation, reduction and combined equations
- Metal extraction and electrolysis
- Electrochemical cells and electron pathways
- Addition polymers, repeating units and monomers
- Fertilisers, ammonia, Haber and Ostwald
- Radiation properties and balanced nuclear changes
- Half-life graphs, calculations and applications
- Gas tests, flames and ion identification
- Apparatus, separation, gas collection and safe technique
- Independent investigation preparation and evidence
Nature's chemistry
- Homologous series, saturation and physical trends
- Alkane naming and structural formulae
- Cycloalkane rings and formulae
- Alkene structures, names and double-bond positions
- Structural isomers and distinct connectivity
- Addition reactions of alkenes
- Alcohol names, structures and properties
- Carboxylic acids, structures and salts
- Combustion and heat-energy investigations
Scottish learning platform