Radiometric dating is a method used to date rocks and other objects based on the known decay rate of radioactive isotopes. How to Calculate Subatomic Particles. If the half life of an isotope is known, the abundance of the parent and daughter isotopes can be measured and the amount of time that has elapsed since the "radiometric clock" started can be calculated. All ordinary matter is made up of combinations of chemical elementseach with its own atomic numberindicating the number of protons in the atomic nucleus. This isotope is found in all living organisms.
So, if you know the radioactive isotope found in a substance and the isotope's half-life, you can calculate the age of the substance.
Radiometric Dating: Methods, Uses & the Significance of Half-Life
Eyes on Environment. Green Screen. The uranium content of the material can then be calculated from the number of tracks and the neutron flux. There are several common radioactive isotopes that are used for dating rocks, artifacts and fossils. Inheritance 5.