A gas phase nanoparticle source is producing nanoparticles with an average size of 2.0 nm.  If you want to cover a 2.0 cm square surface with one layer of these nanoparticles, how many nanoparticles do you need to deposit?

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A gas phase nanoparticle source is producing nanoparticles with an average size of 2.0 nm.  If you want to cover a 2.0 cm square surface with one layer of these nanoparticles, how many nanoparticles do you need to deposit?

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Step 1

Given:-
Size of nanoparticle (a) = 2.0 nm
Size of surface area (S) = 2.0 cm

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