Question detail
Why do substances with stronger intermolecular forces typically have higher melting points?
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 larger particles
- B. They require more energy to overcome the forces
- C. They are more colorful
- D. They have more complex structures
Answer
The correct option is They require more energy to overcome the forces. This answer is correct because it matches the approved learning objective to explain that the energy needed for a change of state depends on the strength of forces between particles in the subtopic The three states of matter.
Explanation
The correct option is They require more energy to overcome the forces. They require more energy to overcome the forces is correct because it directly supports the approved learning objective to explain that the energy needed for a change of state depends on the strength of forces between particles. This belongs to the subtopic The three states of matter 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 The three states of matter.
Common mistake
Energy and State Changes
Students often think that the energy needed for a change of state is the same for all substances, regardless of their properties.
Emphasize that the energy required for a change of state varies depending on the strength of the forces between the particles in the substance.
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