O-LevelChemistryBonding & Structure5070/11 · May/June 2011 · Q71 Mark

In which of the following is there a lattice of positive ions in a 'sea of electrons'?

Aliquid potassium chloride

Bsand

Csolid graphite

Dsolid magnesium

✓ Correct answer

D: solid magnesium

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2011 Paper 1 Variant 1, question 7.

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