SL course

Chemistry SL

Chemistry SL practice for structure, bonding, energetics, kinetics, equilibrium, acids, redox, organic chemistry, and data handling.

Guided practice pathways

Assessment routes built from the live skills in this course. Each pathway moves from the first decision students need to make toward the kind of source use, calculation, writing, or judgement that costs marks in real assessment.

Science route

Structure 1. Models of the particulate nature of matter

Start with the model or data, then practise calculation, graph interpretation, uncertainty, and explanation.

  1. Model states of matter using particle diagrams Build · 75 variants · visual · AI feedback
  2. Use nuclear notation for atoms and ions Build · 75 variants · visual · AI feedback
  3. Use amount of substance and molar mass Build · 75 variants · visual · AI feedback
  4. Use gas volume and concentration relationships Build · 75 variants · visual · AI feedback

A complete route ties the answer to evidence, units, and experimental reasoning.

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Science route

Structure 2. Models of bonding and structure

Start with the model or data, then practise calculation, graph interpretation, uncertainty, and explanation.

  1. Explain ionic bonding and lattice structure Build · 75 variants · visual · AI feedback
  2. Explain covalent bonding and Lewis structures Build · 75 variants · visual · AI feedback
  3. Compare intermolecular forces and physical properties Build · 75 variants · visual · AI feedback
  4. Explain metallic bonding and alloy properties Build · 75 variants · visual · AI feedback

A complete route ties the answer to evidence, units, and experimental reasoning.

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Science route

Structure 3. Classification of matter

Start with the model or data, then practise calculation, graph interpretation, uncertainty, and explanation.

  1. Use the periodic table to classify elements Build · 75 variants · visual · AI feedback
  2. Explain periodic trends in atomic radius and ionization energy Build · 75 variants · visual · AI feedback
  3. Classify functional groups in organic molecules Build · 75 variants · visual · AI feedback
  4. Use IUPAC names and structural formulae Build · 75 variants · visual · AI feedback

A complete route ties the answer to evidence, units, and experimental reasoning.

Start pathway
Science route

Reactivity 1. What drives chemical reactions?

Start with the model or data, then practise calculation, graph interpretation, uncertainty, and explanation.

  1. Measure enthalpy changes using calorimetry Build · 75 variants · visual · AI feedback
  2. Use bond enthalpies and Hess cycles Build · 75 variants · visual · AI feedback
  3. Evaluate fuels and combustion products Build · 75 variants · visual · AI feedback

A complete route ties the answer to evidence, units, and experimental reasoning.

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Science route

Reactivity 2. How much, how fast and how far?

Start with the model or data, then practise calculation, graph interpretation, uncertainty, and explanation.

  1. Balance equations and use mole ratios Build · 75 variants · visual · AI feedback
  2. Use concentration, titration, and solution stoichiometry Build · 75 variants · visual · AI feedback
  3. Interpret rate graphs and experimental rate data Build · 75 variants · visual · AI feedback
  4. Apply Le Chatelier reasoning to equilibrium systems Build · 75 variants · visual · AI feedback

A complete route ties the answer to evidence, units, and experimental reasoning.

Start pathway
Science route

Reactivity 3. What are the mechanisms of chemical change?

Start with the model or data, then practise calculation, graph interpretation, uncertainty, and explanation.

  1. Identify acids, bases, and conjugate pairs Build · 75 variants · visual · AI feedback
  2. Balance redox equations in acidic and neutral contexts Build · 75 variants · visual · AI feedback
  3. Explain substitution, addition, and oxidation in organic chemistry Build · 75 variants · visual · AI feedback
  4. Evaluate conclusions, limitations, and improvements Build · 75 variants · visual · AI feedback

A complete route ties the answer to evidence, units, and experimental reasoning.

Start pathway

Topics

Choose a topic to see the skills you can practise. Start with the area your class is studying now, or use the list to find weaker topics before a test or exam.

Structure 1. Models of the particulate nature of matter Chemistry syllabus topic from the 2025 structure/reactivity roadmap. Structure 2. Models of bonding and structure Chemistry syllabus topic from the 2025 structure/reactivity roadmap. Structure 3. Classification of matter Chemistry syllabus topic from the 2025 structure/reactivity roadmap. Reactivity 1. What drives chemical reactions? Chemistry syllabus topic from the 2025 structure/reactivity roadmap. Reactivity 2. How much, how fast and how far? Chemistry syllabus topic from the 2025 structure/reactivity roadmap. Reactivity 3. What are the mechanisms of chemical change? Chemistry syllabus topic from the 2025 structure/reactivity roadmap.