How one calls temporal changes of chemical content due to nuclear reactions? [closed]








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So, I am trying to find the term for subject question: temporal change of chemical content due to nuclear reactions. Specifically, I am interested in time evolution of the number of atoms of each isotope in, let say, spontaneous decay chain but without any interest in potential chemical compounds. I was googling for "stoichiometry dynamics" and "nuclear chemistry kinetics" but these seem to have specific meaning clearly distinct from what I had in mind.


