A-LevelChemistryChemical bonding9701/12 · May/June 2018 · Q91 Mark

Materials can be classified by their chemical structures. Four common types of structure are metallic, ionic, simple molecular and giant molecular. Some physical properties of four substances are shown in the table. Which substance has a simple molecular structure? [Table with melting point, effect of adding water, and electrical conductivity]

A64 reacts good when solid

B113 insoluble always poor

C767 soluble good when solid

D1600 insoluble always poor

✓ Correct answer

B: 113 insoluble always poor

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Topic: Chemical bonding, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2018 Paper 1 Variant 2, question 9.

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