O-LevelChemistryBonding & Structure5070/12 · May/June 2018 · Q91 Mark

Which statement about the structure or bonding of metals is correct?

Ametal lattice consists of atoms in a 'sea of electrons'.

BElectrons in a metal move randomly through the lattice.

CMetals are malleable because the particles present are mobile.

DThe ions in a metal move when positive and negative electrodes are attached.

✓ Correct answer

B: Electrons in a metal move randomly through the lattice.

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2018 Paper 1 Variant 2, question 9.

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