Sunday
April 20, 2014

Homework Help: chemistry

Posted by fatin on Tuesday, September 14, 2010 at 7:57pm.

What is the half-life of an isotope if it decays to 12.5% of its radioactivity in 18 minutes?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - Gallium65, a radioactive isotope of gallium, decays by first order-...
Chemistry - As a sample of the radioactive isotope 131 I decays, its half-life a...
College Algebra - Use a calculator to help solve the problem. One isotope of ...
Chemistry - I've figured out most of it. I'm not sure how to find the percentage...
Chemistry - If 30% of a sample of radioactive isotope decays in 24 hrs, what is ...
math - What is the figure that gives the half-life of the isotope in minutes to ...
Chemistry - Tc-99 is a radioactive isotope that decays by beta emission and is ...
Chemistry please help! - A Cesium 137 sample has a measured radioactivity of 50 ...
chemistry - use the nuclear decay equation to find out how much a 7mg sample of ...
Chemistry - A 208 g sample of sodium-24 decays to 13.0 g of sodium-24 within 60....

Search
Members