Alpha (α)-particles are doubly-charged helium ions consisting of two protons and two neutrons, with a mass of 4 atomic mass units (u).
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Alpha (α)-particles are doubly-charged helium ions consisting of two protons and two neutrons, with a mass of 4 atomic mass units (u).
Alpha particles are positively charged particles consisting of two protons and two neutrons, essentially a helium nucleus, emitted during radioactive decay or generated in nuclear reactions.