22-11-2018
Physics

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How did Thomson know atoms had an overall neutral charge?

He knew there were negative electrons but he came to the conclusion that the rest of the atom was positively charged, why was this? How did he know it would be positively charged?

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itsjeff itsjeff

22-11-2018

He reasoned that there must be a source of positive charge within the atom to counterbalance the negative charge on the electrons.

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