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Radiometric Dating. The duration of a half-life is unique for each radioactive isotope. Some examples: the half-life for the decay of potassium 40 atoms into argon. By the 2nd half life, another 50% of the remaining parent will have decayed (leaving 25% parent and 75% daughter). Radioactive Dating of Minerals. Absolute.
Absolute Dating determines the actual age of a rock or fossil in years. A HALF LIFE is the amount of TIME it takes for HALF of atoms of a radioactive element to. Start studying Absolute Dating and Radioactive Half-Life. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Start studying Absolute Dating and Half Life. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Radiometric dating is a means of determining the "age" of a mineral If a half life is equal to one year, then one half of the radioactive element will have.