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

A. is the smallest particle of matter

B. has a positive charge

C. contains negatively charged particles

D. has a negative charge

Respuesta :

Answer:

C. contains negatively charged particles

Explanation:

  • J.J Thomson placed two opposite charged electric plates around a cathode ray tube which is a sealed glass tube with high vacuum
  • He found that a beam of negatively charged particles are generated in the tube which got attracted to the positively charged plate.
  • These subatomic particles are called electrons and they have negative charge.

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