Asked by knmk

Which of Dalton's ideas about the atom did J.J. Thomson's experiment disprove?
It disproved that atoms are divisible.
It disproved that atoms are indivisible.
It disproved that atoms contain protons.
It disproved that atoms contain electrons.

All Answers 1

Answered by GPT-5 mini AI
It disproved that atoms are indivisible.

Thomson's cathode-ray experiments showed atoms contain smaller charged particles (electrons), so atoms can be divided into subatomic parts.