nuclide

(noun)

An atomic nucleus specified by its atomic number and atomic mass.

Related Terms

  • half-life

Examples of nuclide in the following topics:

  • Dating Using Radioactive Decay

    • After one half-life has elapsed, one half of the atoms of the nuclide in question will have decayed into a "daughter" nuclide, or decay product.
    • In many cases, the daughter nuclide is radioactive, resulting in a decay chain.
    • This chain eventually ends with the formation of a stable, nonradioactive daughter nuclide.
    • Therefore, in any material containing a radioactive nuclide, the proportion of the original nuclide to its decay products changes in a predictable way as the original nuclide decays over time.
    • Each parent nuclide spontaneously decays into a daughter nuclide (the decay product) via an α decay or a β decay.
  • Half-Life of Radioactive Decay

    • For a large number of atoms, the decay rate for the collection as a whole can be computed from the measured decay constants of the nuclides, or, equivalently, from the half-lives.
    • Half-lives vary widely; the half-life of 209Bi is 1019 years, while unstable nuclides can have half-lives that have been measured as short as 10−23 seconds.
  • Rate of Radioactive Decay

    • The law of radioactive decay describes the statistical behavior of a large number of nuclides, rather than individual ones.
    • In the following relation, the number of nuclides or nuclide population, N, is of course a natural number.
  • Electron Configurations of Atoms

    • Other interactive periodic tables provide comprehensive data for each element, including nuclide properties, environmental and health factors, presentation in different languages and much more.
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