Respuesta :
Alpha particle is the type of radiation that is emitted when polonium - 212 forms from lead - 208. The correct option among all the options that are given in the question is the first option or option "A". An alpha particle is basically a combination of two protons and two neutrons. I hope the answer has helped you.
Answer:
The correct answer is a = alpha particle
Explanation:
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An alpha particle is a particle formed by two neutrons and two protons, so its charge is positive.
A beta particle is a high energy electron, so its charge is negative.
A gamma radiation is a radiation composed of photons.
In this case, the correct answer is a = alpha particle