How small an object can a scanning tunneling microscope "see?"
A)about the size of a mushroom spore
B)about the size of a living cell
C)as small as a single atom
D)as small as the nucleus of an atom

Question

Quizplus · Accepted Answer

Scanning tunneling microscopes can see structures as small as a single atom, as they measure the electron flow between the tip of the microscope and the surface of the sample being observed. This technology has allowed for unprecedented study of atomic and molecular structures, leading to advances in nanotechnology and materials science.

How Small an Object Can a Scanning Tunneling Microscope "See