O-LevelChemistryBonding & Structure5070/12 · May/June 2016 · Q51 Mark

Compound Z is made from element X and element Y. Compound Z is a good conductor of electricity when molten but not when solid. Which statement is correct?

ACompound Z has strong forces of attraction between electrons and positive ions.

BCompound Z has strong forces of attraction between negative ions and positive ions.

CElements X and Y are both metals.

DElements X and Y are both non-metals.

✓ Correct answer

B: Compound Z has strong forces of attraction between negative ions and positive ions.

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2016 Paper 1 Variant 2, question 5.

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