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Radiometric Dating

Ch 23.6 words

QuestionAnswer
Isotope Atoms of the same element with the same number of protons and different numbers of neutrons.
Nucleus The center of an atom, containing almost all of the mass. It consists of positively charged protons and neutral neutrons.
Radioactive Isotope An isotope with a nucleus that naturally decays over time.
Radioactive Decay The process by which a radioactive PARENT isotope breaks down into a stable DAUGHTER isotope.
Parent Isotope The radioactive isotope that decays
Daughter Isotope The stable element that is produced by radioactive decay.
Half-life The amount of TIME it takes for one half of the parent isotope to decay.
Absolute Age The specific number age of a rock. Calculated using radioactive isotopes.
Carbon -14 The radioactive isotope used to date rocks with organic materials like shells, bone, or wood.
Created by: burnsie
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