Question

An alpha particle is also referred to as a nucleus of which isotope?

Answer 1

Answer:

helium-4 nucleus

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Answer 2

Answer:

Explanation:

Alpha particle, positively charged particle, identical to the nucleus of the helium-4 atom, spontaneously emitted by some radioactive substances, consisting of two protons and two neutrons bound together, thus having a mass of four units and a positive charge of two.