Chemistry SL

Structure 3. Classification of matter

Chemistry syllabus topic from the 2025 structure/reactivity roadmap.

Use the periodic table to classify elements Find density from a mass-volume graph Read two points off a mass-volume graph for a substance and find the density as mass over volume (the gradient). Explain periodic trends in atomic radius and ionization energy Predict properties from group and period position Classify functional groups in organic molecules Use IUPAC names and structural formulae