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In mathematics, the notion of permutation relates to the act of arranging all the members of a set into some sequence or order, or if the set is already ordered, rearranging (reordering) its elements, a process called permuting.s another example, an anagram of a word, all of whose letters are different, is a permutation of its letters. In this example, the letters are already ordered in the original word and the anagram is a reordering of the letters.
Alchemists considered transmutation as the conversion of one physical substance to another, such as base metals into valuable metals. daughter products of their decay, namely the natural decay series. As an example, the 232 Th decay series is shown in Figure 1. The superscript 232 represents the atomic mass, which is the total number of protons and neutrons in the nucleus of the atom.