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08-07-2017
Chemistry

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Why is an alpha particle written as a helium (He) nucleus?

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silicon silicon

08-07-2017

Well, an alpha particle is made up of four subatomic particles: two protons, and two neutrons. Helium has two protons and two neutrons, meaning that alpha particles are, in fact, similar to helium nuclei. That's why they are written as 2^4 He

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