Physics A-Level
line of stability
What line of stability means in Physics A-Level, as defined for AQA.
Definition of line of stability
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Reference: AQA
A curved band on a graph of neutron number N against proton number Z on which stable nuclei lie.
Topics that use line of stability
- Nuclear instability (A-level only) (AQA A-Level)
Related terms
- Alpha emission
- Beta-minus decay
- Beta-plus decay
- Conservation laws
- Electron capture
- Gamma emission
- Nuclear equations
- Nuclear excited state
Using line of stability in the exam
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