Posted by **Shay** on Monday, September 24, 2012 at 1:22pm.

It takes 1 hour and 17 min. for a 1.000gsample of a certain isotope to decay to 0.121g. What is the half-life of this isotope? plssss helpp

## Answer This Question

## Related Questions

- chemistry - It takes 1 hour and 17 min. for a 1.000g sample of a certain isotope...
- Chemistry - Gallium65, a radioactive isotope of gallium, decays by first order-...
- Calculus - The rate of decay is proportional to the mass for radioactive ...
- Chem - The decay constant for a radioactive isotope is 7.82 x 10-6 /y. What is ...
- chemistry - isotope A require 12h for its decay rate to fall to 1/64 of its ...
- college - a certain radioactive isotope has a half life or 850 years.how many ...
- Chemistry - If it takes 45 days for 80.0 mg of a particular radioactive isotope ...
- Chemistry - If it takes 45 days for 80.0 mg of a particular radioactive isotope ...
- Calculus - My teacher wants me to use this formula for half life question C(t...
- Physics check - A certain radioactive isotope has a half-life of one hour. At ...

More Related Questions