Chemistry · May / June 2018 · Paper 11 · Question 14
Which statement about ionic compounds is correct?
- AIonic compounds conduct electricity when solid because they contain charged particles that can move.
- BIonic compounds consist of a lattice of positive ions and negative ions.
- CMost ionic compounds are solids at room temperature because of the strong attraction between electrons and positive ions.
- DWhen molten or in aqueous solution, ionic compounds conduct electricity because they contain electrons that can move.
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Correct answer: B. Ionic compounds consist of a lattice of positive ions and negative ions.
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