Combined Science GCSE
sphere model
What sphere model means in Combined Science GCSE, as defined for AQA.
Definition of sphere model
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Reference: AQA
A historical stage, not the modern view, in which atoms were treated as the smallest possible particles with no internal structure.
Topics that use sphere model
Related terms
- Atomic models
- Atomic structure
- Charge and repulsion
- Charge distribution
- Concentration of mass and charge in the nucleus
- Dalton's atomic theory
- Development of scientific models over time
- Development of the atomic model
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