Can we see an atom

Can we see an atom

It is not possible to see the atoms, but the nearest possibility is its direct evidence with the help of the following techniques:
Electron Microscope:
An ordinary optical microscope is used to see the object of the size up to 500 nm. This microscope uses visible light.  The electron microscope uses beams of electrons. So it can measure the object of size nearly to the size of an atom. It can measure the size of an object more than 15 million times.
X-Ray

X-Ray diffraction pattern obtained from diffractometer has made us able to believe the existence of the atom
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