Answer :

Despina

Answer:

A) Lead-206

Explanation:

Alpha decay:

Alpha decay is a nuclear decay process where an unstable nucleus changes to another element by shooting out a particle composed of two protons and two neutrons.

In the process, the mass number of the product nucleus (daughter nucleus) is four less than that of the decaying nucleus (parent nucleus), while the atomic number decreases by two.

The equation for the alpha decay of polonium-210 can be written as:

[tex]^{210}_{84}\text{Po} \rightarrow ^{206}_{82}\text{Pb} + ^{4}_{2}\text{He} [/tex]

Where,

  • Polonium-210 is the Parent Nucleus,
  • Lead-206 is the Daughter Nucleus,
  • Alpha particle [tex](^{4}\text{He})[/tex] nucleus is the emitted particle (consists of 2 protons and 2 neutrons)

During this process, [tex] (^{210}\text{Po})[/tex] emits an alpha particle, which consists of two protons and two neutrons, thereby reducing its atomic number by 2 and its mass number by 4.

Hence, when polonium-210 undergoes alpha decay, the product formed is Lead-206.

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