O-LevelChemistryBonding & Structure5070/12 · May/June 2017 · Q271 Mark

Metals have a structure of positive ions in a 'sea of electrons'. Metals are malleable because it is possible to force the ions to slide over each other. The alloy brass is ......1...... malleable than pure copper and than pure zinc. Brass is ......2...... to conduct electricity. Which words correctly complete gaps 1 and 2?

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Aless unable

Bless able

Cmore unable

Dmore able

✓ Correct answer

B: less able

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2017 Paper 1 Variant 2, question 27.

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