Practice Summary (2.4.1) - Chapter 2: The Nanoscale World

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6 sample questions

Question 1.
Define nanoscale.
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Think about how small something has to be to be classified as nanoscale.
Question 2.
What does the surface area to volume ratio indicate?
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Recall how a sponge's porosity relates to its interaction with water.
3Question 3.
What size range defines the nanoscale?
- 1-10 nm
- 1-100 nm
- 1-500 nm
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Remember the examples of sizes we discussed, like a strand of DNA.
4Question 4.
True or False: Nanoparticles have less surface area than bulk materials.
- True
- False
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Consider how reactivity is tied to surface area.
Question 5.
Design a theoretical experiment to compare the catalytic effectiveness of a nanoparticle catalyst versus its bulk counterpart. What hypotheses would you test?
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Think about what factors make catalysis effective.
Question 6.
Explain how engineers might harness the unique properties of quantum dots in developing new display technologies.
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Consider how colors can vary with particle size.

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