Question

if a scientist tells us that two atoms separate from one another, what kind of observation did they make?
microscopic
macroscopic

Explanation:

Microscopic observations focus on objects or phenomena that are too small to be seen with the naked eye, such as atoms. Atoms are submicroscopic particles, so observing their separation falls under this category. Macroscopic observations involve visible, large-scale phenomena.

Answer:

Microscopic