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CAIE IGCSE Chemistry Simple Molecular Substance Properties

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

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • 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

2.5.3—Simple molecular compound properties question 1

[Maximum number: 1]

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

Table for Question 2.5.3—Simple molecular compound properties question 1 — CAIE IGCSE Chemistry

Identify the substance, D, E, F, G, H or I, which is:

a solid consisting of simple molecules at 25∘C25^{\circ} \mathrm{C}. ..... [1]

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