Question

The most suitable instrument for measuring the size of an atom is__________.

Answer 1

Suitable instrument to measure the size of an atom

• The electron microscope is the most suitable instrument for measuring the size of an atom.
• Only the electron microscope has a resolution of $0.5-0.6$ Angstrom which is less than the size of the atom.

So, the most suitable instrument for measuring the size of an atom is an electron microscope.