Question detail
Why can pure metals be easily bent and 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. They have strong covalent bonds
- B. Their atoms are arranged in regular layers that can slide
- C. They have weak intermolecular forces
- D. They contain impurities that weaken the structure
Answer
The correct option is Their atoms are arranged in regular layers that can slide. This answer is correct because it matches the approved learning objective to explain why most metals have high melting points and high boiling points using strong metallic bonding in the subtopic Properties of metals and alloys.
Explanation
The correct option is Their atoms are arranged in regular layers that can slide. Their atoms are arranged in regular layers that can slide is correct because it directly supports the approved learning objective to explain why most metals have high melting points and high boiling points using strong metallic bonding. 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
Properties of metals and alloys correction for Misunderstanding Metall
Students often think that metals have high melting and boiling points due to the size of the metal atoms rather than the strength of metallic bonding This error matters in Properties of metals and alloys because it drifts away from the objective: Explain why most metals have high melting points and high boiling points using strong metallic bonding.
Correct it by naming the exact chemistry idea, using precise bonding or structure vocabulary, and linking the answer back to Properties of metals and alloys. For this objective, students should explain why most metals have high melting points and high boiling points using strong metallic bonding.
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