How many orders of magnitude greater is the radius of the atom as compared to that of the nucleus? Share with your friends Share 2 Vaibhav T. answered this Dear Student, Radius of atom is of an order of 10-10.Radius of nucleus is of an order of 10-15.Radius of atomRadius of nucleus=10-1010-15Radius of atom=105×Radius of nucleusHence, from above calculation we found that size of atom is 105 timesgreater than the size of nucleus. Regards 1 View Full Answer