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CAIE IGCSE Chemistry Simple Molecular Substance Properties

CAIE IGCSE Chemistry Simple Molecular Substance Properties
Cambridge IGCSE Chemistry 0620 syllabus for exams in 2026, 2027 and 20282026–2028

Practise identifying simple molecular substances from particle or property data, especially low melting points and lack of electrical conduction.

How this is tested

  • identify a simple molecular substance from a comparatively low melting or boiling point
  • use non-conduction together with state and phase-change data to distinguish molecular substances

Question 2(c)

[Maximum number: 3]

The table shows the melting points, boiling points and electrical conductivities of six substances D, E, F, G, H and I.

Table for Question 2(c) — CAIE IGCSE Chemistry

Choose substances from the table which match the following descriptions. Each substance may be used once, more than once or not at all.

Which three substances contain simple molecules?