Question detail
Why might dot and cross diagrams be limited in representing giant ionic structures?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Chemical bonds, ionic, covalent and metallic
Question
- A. They only show one ion at a time.
- B. They cannot depict the ionic bonds accurately.
- C. They do not convey the 3D arrangement of ions.
- D. They are too complex for simple ionic compounds.
Answer
The correct option is They do not convey the 3D arrangement of ions.. This answer is correct because it matches the approved learning objective to describe the limitations of dot and cross diagrams for giant ionic structures in the subtopic Ionic compounds.
Explanation
The correct option is They do not convey the 3D arrangement of ions.. They do not convey the 3D arrangement of ions. is correct because it directly supports the approved learning objective to describe the limitations of dot and cross diagrams for giant ionic structures. This belongs to the subtopic Ionic compounds within Chemical bonds, ionic, covalent and metallic, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Ionic compounds.
Common mistake
Misunderstanding Dot and Cross Diagrams
Students often think that dot and cross diagrams accurately represent the positions of ions in a giant ionic lattice.
Emphasize that dot and cross diagrams show electron transfer but do not depict the three-dimensional arrangement of ions in the lattice.
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