Physics GCSE
changes in mass number
What changes in mass number means in Physics GCSE, as defined for AQA.
Definition of changes in mass number
Check what you remember
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Reference: AQA
Alpha decay reduces the mass number of the nucleus by 4.
Topics that use changes in mass number
- Nuclear equations (AQA GCSE)
Related terms
- balanced nuclear equations
- balancing equations
- beta decay
- conservation of charge
- conservation of mass number
- emitted particle numbers
- increased atomic number
- loss of energy
Using changes in mass number in the exam
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