This question is about nanoscale measurements and calculations.

The surface area of this cubic nanoparticle is 8.64 nm28.64\text{ nm}^28.64 nm2.
Calculate the volume of the cubic nanoparticle in nm3\text{nm}^3nm3.
Calculate the simplest surface area : volume ratio for this cubic nanoparticle, writing your answer in the form x:1x : 1x:1.
An atom has a radius of 1.6 × 10-10 m.
A spherical nanoparticle has a radius of 6.4 × 10-8 m.
Calculate how many times larger the radius of the nanoparticle is compared to the radius of the atom.