Question detail
How does the structure of pure metals affect their ability to be shaped?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
How bonding and structure are related to the properties of substances
Question
- A. The irregular structure makes them brittle
- B. The layers can slide over each other easily
- C. The strong ionic bonds prevent shaping
- D. The presence of impurities makes them harder
Answer
The correct option is The layers can slide over each other easily. This answer is correct because it matches the approved learning objective to explain why layers of atoms in pure metals can slide, allowing metals to be bent and shaped in the subtopic Properties of metals and alloys.
Explanation
The correct option is The layers can slide over each other easily. The layers can slide over each other easily is correct because it directly supports the approved learning objective to explain why layers of atoms in pure metals can slide, allowing metals to be bent and shaped. This belongs to the subtopic Properties of metals and alloys within How bonding and structure are related to the properties of substances, 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 Properties of metals and alloys.
Common mistake
Misunderstanding Metal Structure
Students often think that the layers of atoms in pure metals cannot slide because they are tightly packed.
Emphasize that the regular arrangement of atoms in pure metals allows layers to slide over each other, which is what enables metals to be bent and shaped.
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