Question detail

Which of the following best describes fine particles?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

Bulk and surface properties of matter including nanoparticles (chemistry only)

Question

A. Particles that are 1 nm to 100 nm in size.
B. Particles that are larger than nanoparticles but smaller than coarse particles.
C. Particles that are 100 µm to 1 mm in size.
D. Particles that are smaller than 1 nm.

Answer

The correct option is Particles that are larger than nanoparticles but smaller than coarse particles.. This answer is correct because it matches the approved learning objective to (chemistry only) Compare nanoparticles with fine particles and coarse particles using given size information in the subtopic Sizes of particles and their properties.

Explanation

The correct option is Particles that are larger than nanoparticles but smaller than coarse particles.. Particles that are larger than nanoparticles but smaller than coarse particles. is correct because it directly supports the approved learning objective to (chemistry only) Compare nanoparticles with fine particles and coarse particles using given size information. This belongs to the subtopic Sizes of particles and their properties within Bulk and surface properties of matter including nanoparticles (chemistry only), 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 Sizes of particles and their properties.

Common mistake

Sizes of particles and their properties correction for Confusing Parti

Students often confuse the sizes of nanoparticles with fine and coarse particles, leading to incorrect comparisons This error matters in Sizes of particles and their properties because it drifts away from the objective: (chemistry only) Compare nanoparticles with fine particles and coarse particles using given size information.

Correct it by naming the exact chemistry idea, using precise bonding or structure vocabulary, and linking the answer back to Sizes of particles and their properties. For this objective, students should (chemistry only) compare nanoparticles with fine particles and coarse particles using given size information.

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