The reaction of a-decay of the isotope of polonium; what chemical element is formed as a result of this reaction?
| September 4, 2021 | education
The charge of the polonium (Po) nucleus is 84, therefore, it contains 84 protons. In alpha decay, the nucleus loses 2 protons and 2 neutrons. As a result, its charge becomes equal to q = 82 units of elementary charge, and its mass decreases by 4 atomic mass units. In the periodic system of Mendeleev, this will be an atom of a chemical element with atomic number 82, that is, lead (Pb).
Alpha decay reaction for the isotope 210 Po:
210Po → 206Pb + α.
Answer: Lead.
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