A-LevelChemistryChemical periodicity9701/12 · Feb/Mar 2022 · Q181 Mark

The elements in Period 3 and their compounds show trends across the period from sodium to chlorine. Which row is correct? [Figure 18.1]

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Adecreases, basic → amphoteric → acidic

Bdecreases, acidic → amphoteric → basic

Cincreases, basic → amphoteric → acidic

Dincreases, acidic → amphoteric → basic

✓ Correct answer

C: increases, basic → amphoteric → acidic

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Topic: Chemical periodicity, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2022 Paper 1 Variant 2, question 18.

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