Compare5 marksStandard
Sodium chloride and magnesium oxide are both ionic compounds. Compare the properties of sodium chloride and magnesium oxide, explaining any differences in terms of the ionic bonding present.
CAIE A Level Chemistry 9701 · Chemical bonding
Chemical bonding: compare question
How this question is marked
5 marks, so the mark scheme is looking for about 5 separate creditworthy points. Making the same point twice in different words earns it once.
Compare means: Give similarities or differences between two things, and say which side each point belongs to. Write each point as a pair, for example: A is X, whereas B is Y. Two separate descriptions rarely earn the marks.
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