Subjective Type

What is the minimum diameter (in nm) of colloidal particles?

Solution

Colloidal particles range in diameter from 1-1000 nanometers and can be solid, liquid, or gaseous. Our discussion here will be limited to particles within the 1-100 nanometer scale, better known as nanoparticles.

Hence , minimum diameter is 1 nm .

Hence , correct answer is 1.

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