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Vika [28.1K]
3 years ago
7

Which best describes the effect of jj Thomson discovery

Chemistry
1 answer:
beks73 [17]3 years ago
7 0
JJ Thomson discovered electrons using the cathode ray. Electrons are negatively charged particles that orbit around the nucleus of an atom. Finding out that there was a negative charge to balance out the positive charge. This later helped develop Hund's Rule and the Pauli Exclusion Principle.
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