A-LevelChemistryChemical periodicity9701/12 · May/June 2013 · Q161 Mark

The trends in three physical properties of the elements Na, Mg, Al, Si, P and S are shown in the graphs. [Figure 16.1] Which physical property is not illustrated?

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Aatomic radius

Belectrical conductivity

Cfirst ionisation energy

Dmelting point

✓ Correct answer

B: electrical conductivity

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Topic: Chemical periodicity, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2013 Paper 1 Variant 2, question 16.

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