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These are the radioactive elements. See this link.
Doctors can use radioactive isotopes to treat certain types of cancer, such as prostate cancer. Geologists use isotopes to date some rocks and fossils.
Radioactive dating is used to determine the absolute ages of rocks. By Jennifer Palos
by defining the age of rocks
radioactive elements, tracers, are used in molecular research to investigate the movement of atoms and molecules through a biological system. At various intervals the movement of the radioactive atoms can be traced using photographic film.
Radioactive elements are used to date the age of rocks. Radioactive elements decay according to a known pattern. Scientists can use the elements of that pattern to determine when the rock with the original radioactive element was formed.
Radioactive materials decay at predictable rates
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Radioactive elements are not used in the treatment of AIDS.
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These are the radioactive elements. See this link.
Radioactive decay is used to date rocks by measuring the amount of parent and daughter isotopes in a sample. The rate of decay of a radioactive isotope is constant, allowing scientists to calculate the age of a rock by comparing the ratios of parent and daughter isotopes present. This technique is known as radiometric dating and can be used to determine the age of rocks millions to billions of years old.
The most often used radioactive elements used in radiometric dating are carbon, potassium-argon and uranium-lead.Other elements are not, or very rarely used.
One of the radioactive elements used for nuclear energy is 235U92, commonly stated as U-235.
Doctors can use radioactive isotopes to treat certain types of cancer, such as prostate cancer. Geologists use isotopes to date some rocks and fossils.
No, many other elements are radioactive or have radioactive isotopes. Examples of this are carbon 14, which is used in carbon dating, Radon, Krypton, Hydrogen, Iodine, and many others.