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

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 contain smaller particles (specifically electrons), indicating that atoms can be divided into smaller components.