Describe how radioactive dating works
Describe how radioactive dating works - speed dating single parents
Radiometric dating or radioactive dating is a technique used to Am dating shy guy tips materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they formed.
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Additionally, elements may exist in different , with each isotope of an element differing in the number of in the nucleus.
A particular isotope of a particular element is called a . That is, at some point in time, an atom of such a nuclide will undergo and spontaneously transform into a different nuclide.
This transformation may be accomplished in a number of different ways, including (emission of ) and ( emission, emission, or ). While the moment in time at which a particular nucleus decays is unpredictable, a collection of atoms of a radioactive nuclide decays at a rate described by a parameter known as the , usually given in units of years when discussing dating techniques.
After one half-life has elapsed, one half of the atoms of the nuclide in question will have decayed into a "daughter" nuclide or .
In many cases, the daughter nuclide itself is radioactive, resulting in a , eventually ending with the formation of a stable (nonradioactive) daughter nuclide; each step in such a chain is characterized by a distinct half-life.
In these cases, usually the half-life of interest in radiometric dating is the longest one in the chain, which is the rate-limiting factor in the ultimate transformation of the radioactive nuclide into its stable daughter.