The scientist that discovered that all matter is made up of atoms too small to be seen was:
A) J.J. Thompson.
B) Niels Bohr.
C) Democritus.
D) John Dalton.

Question

Quizplus · Accepted Answer

Democritus is credited with the idea that all matter is made up of atoms. While he did not have the technology to see atoms, he reasoned that they must exist based on his observations of the physical world. J.J. Thompson, Niels Bohr, and John Dalton made important contributions to the understanding of atoms, but they did not discover that all matter is made up of atoms too small to be seen.

The Scientist That Discovered That All Matter Is Made Up