Chemistry, 13.10.2020 15:01 jesser9

Why did J. J. Thomson reason that electrons must be a pare of the atoms of all elements? A) Cathode rays are negatively charged particles
B) Cathode rays can be deflected by magnets
C) An electron is 2000 times lighter than a hydrogen atom
D) Charge-to-mass ratio of electrons was the same, regardless of the gas used

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Why did J. J. Thomson reason that electrons must be a pare of the atoms of all elements? A) Cathode...