Concept explainers
Radon-212
Proof for the Polonium due to decay of one alpha particle from Radon.
Explanation of Solution
Introduction:
The atomic number of the element decreases by two units and atomic mass number by four units due to decay of one alpha particle.
The atomic number of
If one alpha particle decays from Radon-212 atom then the remaining number of proton in the nucleus of new element becomes 84 and atomic mass number of new element becomes 208.
The expression for the decay of radon-212 atom by emission of one alpha particle.
The number of protons in the nucleus of polonium is also 84 and number of neutrons in the nucleus is 124. So, the new element is polonium.
Conclusion:
Thus, the new element due to decay of one alpha particle from radon-212 is polonium-208 because the number of protons in the nucleus of polonium is also 84 and number of neutrons in the nucleus is 124.
Chapter 39 Solutions
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