Combined Science GCSE
Alpha decay
What Alpha decay means in Combined Science GCSE, as defined for AQA.
Definition of Alpha decay
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Reference: AQA
A decay in which the nucleus loses an alpha particle, so the mass number decreases by 4 and the atomic number decreases by 2.
Topics that use Alpha decay
- Nuclear equations (AQA GCSE)
Related terms
- Beta decay
- Beta emission
- Gamma emission
- Nuclear equation
- Nuclear equations
- Alpha emission
- Alpha particle emission
- balanced nuclear equation
Using Alpha decay in the exam
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