Physics A-Level
Unstable nucleus
What Unstable nucleus means in Physics A-Level, as defined for AQA.
Definition of Unstable nucleus
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Reference: AQA
A nucleus with an imbalance of protons and neutrons, or too much energy, that decays randomly to become more stable.
Topics that use Unstable nucleus
- Stable and unstable nuclei (AQA A-Level)
Related terms
- Alpha decay
- Beta-minus decay
- Beta-plus decay
- Binding and saturation of the strong force
- Conservation of charge
- Conservation of momentum
- Conservation of nucleon number
- Fundamental forces and their ranges
Using Unstable nucleus in the exam
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