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Which radioactive isotope is most commonly used for radio... | QuestionStock

Representative image for question: Which radioactive isotope is most commonly used for radiocarbon dating of once-living organic materials?

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Science

Which radioactive isotope is most commonly used for radiocarbon dating of once-living organic materials?

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Which radioactive isotope is most commonly used for radiocarbon dating of once-living organic materials?

Options:

Carbon-12
Carbon-13
Carbon-14
Uranium-238

Correct answer: Carbon-14

Explanation: Radiocarbon dating uses carbon-14 (14C) to date organic remains; 14C has a half-life of about 5,730 years and is used to date materials up to roughly 50,000 years old.

Created 2026-03-10T17:31:30.002Z. Updated 2026-03-10T17:31:30.002Z.