Arturo O. answered • 04/05/18

Experienced Physics Teacher for Physics Tutoring

The RADIUS of the H atom is about 0.5 angstroms.

Although the shape of the atom is spherical, assume it occupies a cube whose side is twice the radius. Find the volume of the cube, and multiply it by Avogadro's number.

V = L

^{3}A_{0}= [2(0.5 angstroms)]^{3}(6.02 x 10^{2}^{3}) = ?This gives volume in angstroms

^{3}, which you can convert to m^{3}using1 angstrom = 10

^{-10}m