Question

an alpha particles contain how many protons and neutrons​

Answer 1

Answer:

Alpha particles (a) are composite particles consisting of two protons and two neutrons tightly bound together (Figure 1). They are emitted from the nucleus of some radionuclides during a form of radioactive decay, called alpha-decay.

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Answer 2

Answer:

two

Explanation:

An alpha particles contain two protons and two neutrons.