Key term for Edexcel GCSE Physics, used in Decay and Equations.
A positively charged subatomic particle found in the nucleus of an atom, with a relative mass of 1.
Proton appears in Edexcel GCSE Physics revision content for Radioactivity, especially Decay and Equations and Beta-plus Decay.
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Radioactivity
Atomic Structure • Relative Masses and Charges
