Key term for OCR GCSE Physics A, used in Radioactive emissions.
A particle consisting of two protons and two neutrons emitted from an unstable nucleus, identical to a helium nucleus.
Alpha particle appears in OCR GCSE Physics A revision content for Radioactivity, especially Radioactive emissions and Balancing equations.
Radioactivity
Radioactive emissions • Balancing equations
Radioactivity
Radioactive emissions • Balanced equations for decay
Radioactivity
Radioactive emissions • Emission effects
Radioactivity
Radioactive emissions • Unstable nuclei and radiation
Matter
Particle model • Development of the atomic model
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