discovery of the electron
What discovery of the electron means in Physics GCSE, as defined for AQA.
Definitions of discovery of the electron
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Reference: AQA
Thomson identified a particle far lighter than any atom and carrying a negative charge, so the idea that an atom could not be divided had to be abandoned.
Thomson's experiments on the rays inside a discharge tube showed a particle much lighter than any atom and carrying a negative charge.
Topics that use discovery of the electron
Related terms
- agreement with observations
- alpha particle scattering
- changing and replacing models
- concentrated positive charge
- empty space
- energy levels
- experimental evidence
- how science works
Using discovery of the electron in the exam
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