Which part of John Dalton’s theory was disproved by J.J. Thomson’s cathode-ray tube experiments?(1 point) Responses Atoms can join together. Atoms can join together. Atoms can form new substances. Atoms can form new substances. Atoms are small. Atoms are small. Atoms are indivisible.

Answer 1

The part of John Dalton's theory that was disproved by J.J. Thomson's cathode-ray tube experiments is that "atoms are indivisible." Thomson's experiments demonstrated that atoms can be divided into smaller particles, leading to the discovery of electrons.