Question detail
What defines a nanoparticle in terms of size?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Bulk and surface properties of matter including nanoparticles (chemistry only)
Question
- A. 1 nm to 100 nm
- B. 100 nm to 1 µm
- C. 1 µm to 10 µm
- D. Less than 1 nm
Answer
1 nm to 100 nm
Explanation
Nanoparticles are defined as structures that range from 1 nm to 100 nm in size, which is crucial for their unique properties.
Common mistake
Misunderstanding Surface Area to Volume Ratio
Students often think that the effectiveness of nanoparticles is solely due to their small size, without understanding the importance of the surface area to volume ratio.
Emphasize that the high surface area to volume ratio of nanoparticles allows for more interactions with other substances, making them more effective in applications.
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