Which was a testable idea that J. J. Thomson developed through his experiments?

Atoms are the most important substances in the universe.

It is impossible to divide an atom into smaller parts.

There are electrically neutral particles inside atoms.

Atoms contain small, negatively charged particles.

Question

Aydan Carney

Chemistry

15 November, 10:48

Which was a testable idea that J. J. Thomson developed through his experiments?

Atoms are the most important substances in the universe.

It is impossible to divide an atom into smaller parts.

There are electrically neutral particles inside atoms.

Atoms contain small, negatively charged particles.

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Answers (1)

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Kylee Sherman · Answer 1

Atoms contains small, negatively charged particles. His experiment showed that an atom contains negatively charged particles which was later known as electrons. This was confirmed by the Cathode Ray Experiment he conducted.

Which was a testable idea that J. J. Thomson developed through his experiments?Atoms are the most important substances in the universe.It is impossible to divide an atom into smaller parts.There are electrically neutral particles inside atoms.Atoms contain small, negatively charged particles.