Saturday

December 20, 2014

December 20, 2014

Posted by **Marium** on Thursday, January 6, 2011 at 11:13am.

So basically, after 30 seconds it will be 50.After 60 sec. 25 and after 90 sec. it will be 12.5...?

am I right?

Q2) Suppose you analyzed a sample of isotope A. It contained 25 radioactive isotope A atoms, and 103 stable daughter atoms. Approximately how old is the sample?

**Answer this Question**

**Related Questions**

Science- Radioactive Dating - Which of the following statements about ...

Chemistry - Which radioactive sample would contain the greatest remaining mass ...

8th Grade Earth Science Help? - Which of the following terms refers to the time ...

physics - Radioactive nuclei are produced in an irradiated sample at the rate of...

Math - After 150 thousand years, only 1/8 of the original amount of a particular...

Math - D.E.Q. - The half-life of a radioactive isotope is the amount of time it ...

math - You have just isolated a new radioactive element. If you can determine ...

math - An unknown radioactive element decays into non-radioactive substances. In...

Chemistry - A radioactive sample contains 3.25 1018 atoms of a nuclide that ...

Physical Science - A gram of radioactive material has a half-life of one year. ...