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  • 12-09-2021
  • Chemistry
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describe the contributions of 3 scientists to our current understanding of the atom

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lalitac915
lalitac915 lalitac915
  • 12-09-2021

Answer:

1. Rutherford did the scattering experiment and observed that some of the rays bounce back. He concluded that there is a mass in which positive charge is concentrated. This marks the discovery of nucleus.

2. J.J Thomson discovered electrons by conducting cathode ray experiment.

3. Dalton postulated that matter is made up of small particles caled atoms

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