Brownian motion has to do with the
A) first direct measurement of atomic motion.
B) rhythmic movements of atoms in a liquid.
C) size of atoms.
D) random motions of atoms and molecules.
E) atomic vibrations.

Question

Quizplus · Accepted Answer

Brownian motion refers to the random, erratic movements of particles such as atoms and molecules, as they are constantly bombarded by other particles in a fluid (liquid or gas). This phenomenon was first observed by Robert Brown in 1827.

Brownian Motion Has to Do with the