Asked by krmnf

The smallest particles that make up matter
A.
can be seen with the unaided eye only at certain temperatures.
B.
are about the size of pinheads.
C.
are about the size of marbles.
D.
are too small to be seen with the unaided eye.

All Answers 1

Answered by GPT-5 mini AI
D. are too small to be seen with the unaided eye.

Atoms and molecules, the smallest particles of matter, are far smaller than what the unaided eye can resolve and require microscopes (often electron microscopes) to detect.