agray339 agray339
  • 19-10-2018
  • Chemistry
contestada

How did Thomson know the charge of the particle he discovered was negative?

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ayushmaddikonda ayushmaddikonda
  • 19-10-2018

Electrons are very light, even in comparison to protons. Thomson noticed that cathode rays had particles too light, so it was deemed negative by its properties.

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