
Concept explainers
Interpretation: Meaning of hotter nuclei along with the element that has more decay events over a given period of time is to be given.
Concept introduction: The word ‘hotter nuclei’ is referred to a nuclei with more decay activity when compare compared with other nuclei.A nuclei with shorter half-life has more decay activity and thus is considered as a ‘hotter nuclei’ than the one with a longer half-life.Half-life of a radioactive sample is the time taken by it to reduce its concentration to half.

Answer to Problem 22A
It means that the hotter radioactive nucleus has a shorter half-life and it would also have more decay events over a given period of time.
Explanation of Solution
An element with shorter half-life will decay faster than an element with longer half-life as it takes lesser time to decay. So, the element with shorter half-life will have more decay events over a given period of time.
The hotter radioactive nucleus has a shorter half-life and it would also have more decay events over a given period of time.
Chapter 19 Solutions
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