VejaylovenidahRich VejaylovenidahRich
  • 06-01-2017
  • Chemistry
contestada

Which radioisotope is used in dating geological
formations?
(1) I-131
(2) U-238
(3) Ca-37
(4) Fr-220

Respuesta :

Greenleafable
Greenleafable Greenleafable
  • 19-01-2017
(2) U-238 is the radioisotope used in dating geological formations. Uranium-238 has a half-life of 4.46 billion years, which makes it suitable to date such old formations.
The other options do not have such long durabilities and half-lives.
Answer Link
sweetgoodnews sweetgoodnews
  • 13-02-2020

Answer:

U- 238

Explanation:

Uranium-238 is used to date many geological samples, especially on materials that are thousands to over a million years old

Answer Link

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