Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

Which radioactive isotope is used in geological dating?

April 26, 2017dating Geological isotope radioactive Used

0

Posted

Which radioactive isotope is used in geological dating?

1 Answer

0

Posted

Carbon-14 B) Lead-206 C) Cobalt-60 D) Uranium-238 Correct Answer: Option D – Uranium-238 Geological dating covers thousands of years. Only isotopes with long half-lives can be used. The isotope with the longest half-life is uranium-238. Uranium 238 can be used to date rocks, fossils, and meteorites. U-238 has a half life of 4.46 billion years. Incorrect Options • Carbon-14 is used to date matter that was once alive.