Combined Science GCSE
electron
What electron means in Combined Science GCSE, as defined for AQA.
Definitions of electron
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Reference: AQA
A smaller, negatively charged particle contained within atoms, whose discovery showed that the solid-sphere model had to be replaced.
A smaller, negatively charged particle discovered in 1897, showing that atoms clearly contained smaller particles.
A negatively charged particle that was discovered and had to be explained as existing inside a neutral atom.
A negative particle that is embedded in the ball of positive charge in the plum pudding model.
Topics that use electron
- The development of the model of the atom (common content with chemistry) (AQA GCSE)
- The development of the model of the atom (common content with physics) (AQA GCSE)
Related terms
- Atomic structure
- Charge and repulsion
- Development of the atomic model
- indivisible
- neutral atom
- nuclear model
- plum pudding model
- proton
Using electron in the exam
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