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Chemistry notebook Cambridge IGCSE 0620

Topic 8 of 12 · 4 modules planned

The Periodic Table

Why the table has the shape it has, and the patterns inside its groups.

Modules

  1. Module 1 · syllabus 8.1

    Reading the table

    What do the period and group tell you?

    This module is planned. It will have readings, an experiment, practice with self-checks and a final check.

Syllabus statements for this topic · for teachers · 15 statements

Core for every pupil · Supplement also for Extended entry. Paraphrased from the Cambridge IGCSE Chemistry 0620 syllabus (2026–2028); check the official syllabus for exact wording.

8.1 Arrangement of elements

  • 8.1.1Atomic-number order, groups and periodsC
  • 8.1.2Metal/non-metal change across a periodC
  • 8.1.3Group and typical ion chargeC
  • 8.1.4Same-group chemistry and outer electronsC
  • 8.1.5Property predictions from table positionC
  • 8.1.6Trends from supplied group dataS

8.2 Group I properties

  • 8.2.1Group I: softness, melting, density, reactivityC
  • 8.2.2Group I predictions from evidenceC

8.3 Group VII properties

  • 8.3.1Halogen molecules, density and reactivity trendsC
  • 8.3.2Halogen appearances at r.t.p.C
  • 8.3.3Halogen/halide displacementC
  • 8.3.4Halogen predictions from evidenceC

8.4 Transition elements

  • 8.4.1Transition-metal density, melting, colours and catalysisC
  • 8.4.2Variable oxidation number: Fe2+/Fe3+S

8.5 Noble gases

  • 8.5.1Noble gases: monatomic and unreactiveC