Question

Nanoparticles are the nanomaterials with ____ dimension(s) between 1 nm and 100 nm.

• A. one
• B. two
• C. three
• D. either one or two

Answer 1

The correct option is C three

Nanoparticles are the nanomaterials with three dimension between 1 nm and 100 nm. Nanolayers are the nanomaterials with only one dimension between 1 nm and 100 nm. Nanotubes or nanowires are the nanomaterials with two dimension between 1 nm and 100 nm.