Question detail
Which of the following best describes a property of giant covalent structures?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Key ideas in chemistry
Question
- A. They are usually gases at room temperature.
- B. They have low melting and boiling points.
- C. They are hard and have high melting points.
- D. They conduct electricity in solid form.
Answer
The correct option is They are hard and have high melting points.. This answer is correct because it matches the approved learning objective to explain why the arrangement of giant structures is important for how substances behave in the subtopic Universal chemistry ideas.
Explanation
The correct option is They are hard and have high melting points.. They are hard and have high melting points. is correct because it directly supports the approved learning objective to explain why the arrangement of giant structures is important for how substances behave. This belongs to the subtopic Universal chemistry ideas within Key ideas in chemistry, 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 Universal chemistry ideas.
Common mistake
Misunderstanding Giant Structures
Students often think that the arrangement of giant structures does not affect their properties.
Emphasize that the arrangement of particles in giant structures determines their physical properties, such as strength and conductivity.
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