beatrizmushino
Answered

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Why did the discovery of electrons mean that an atom must contain some positive charge?

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Sagot :

animesimp06

Answer

electrons are very small, so every atom would have to contain a whole lot of electrons.Atoms must also contain some type of positively charged material which balances the negative charge on the electrons.

Explanation:

J.J. Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. Rutherford's gold foil experiment showed that the atom is mostly empty space with a tiny, dense, positively-charged nucleus.

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