Combined Science GCSE
Isotopes and nuclear composition
What Isotopes and nuclear composition means in Combined Science GCSE, as defined for AQA.
Definition of Isotopes and nuclear composition
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Reference: AQA
Isotopes have the same proton number but different mass numbers, and neutrons account for the extra mass of the nucleus and for isotopes.
Topics that use Isotopes and nuclear composition
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
Using Isotopes and nuclear composition in the exam
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