Chemistry

Question

J.J Thomson's experiments provided evidence that an atom

O B. contains negatively charged particles

O D. a sphere that is hallow throughout

O A is the smallest particle of matter

O C. a tiny, solid sphere with a predictable mass for a given element.

Answer

B. contains negatively charged particles (electrons).

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J.J Thomson's experiments with cathode ray tubes provided evidence that atoms contain negatively charged particles, which he called electrons. He discovered that cathode...