In alpha decay, the emitted particle is

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Multiple Choice

In alpha decay, the emitted particle is

Explanation:
In alpha decay, the nucleus ejects a small, tightly bound cluster known as an alpha particle. This particle is the nucleus of helium, consisting of two protons and two neutrons. Releasing it lowers the parent’s atomic number by 2 and its mass number by 4. Gamma rays may be emitted later if the daughter nucleus is left in an excited state, but the actual emitted particle in alpha decay is the alpha particle. Emitting a single neutron or a single proton is a different type of decay and not what happens in alpha decay.

In alpha decay, the nucleus ejects a small, tightly bound cluster known as an alpha particle. This particle is the nucleus of helium, consisting of two protons and two neutrons. Releasing it lowers the parent’s atomic number by 2 and its mass number by 4. Gamma rays may be emitted later if the daughter nucleus is left in an excited state, but the actual emitted particle in alpha decay is the alpha particle. Emitting a single neutron or a single proton is a different type of decay and not what happens in alpha decay.

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