What is the advantage of relative dating
This works because elements have a life cycle known as a “half-life.” A half-life refers to the amount of time it takes for an isotope to lose half of its atoms as a result of decaying.
When an isotope decays, it often becomes a different kind of element altogether.
They continue to decay going through various transitional states until they finally reach stability. It will spontaneously decay until it transitions into Lead-206 (Pb206).
The numbers 238 and 206 represent these isotopes' atomic mass.
Because this new element (decay product) remains on or within the object, scientists can easily determine how old the object is. A mass spectrometer is a fundamental device in any radiometric dating experiment.
Radioisotopes are unstable isotopes: they spontaneously decay (emitting radiation in the process -- thus making them radioactive).Here are the three major assumptions for your consideration: Are these foundational assumptions reasonable?Recent findings seem to indicate that though we ourselves have not been able to vary the decay rates by much in the laboratory, the decay rates may have been accelerated in the unobservable past .If this were the case, the first assumption would be deemed unreasonable.
This would completely upset our current standardized view of earth's history.In other words, in only a few thousand years, 1.5 billion years' worth (at today's rates) of radioactive decay has taken place.