Physics GCSE
alpha particle
What alpha particle means in Physics GCSE, as defined for AQA.
Definition of alpha particle
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Reference: AQA
Consists of two neutrons and two protons, and is the same as a helium nucleus.
Topics that use alpha particle
- Radioactive decay and nuclear radiation (AQA GCSE)
Related terms
- activity
- background radiation
- choosing a half-life
- gamma ray
- independence from conditions
- ionising power
- neutron emission
- penetration
Using alpha particle in the exam
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