Sunday

November 23, 2014

November 23, 2014

Posted by **Jennifer** on Friday, October 8, 2010 at 12:20pm.

- Chemistry -
**DrBob222**, Friday, October 8, 2010 at 5:19pm1.0 g/2

^{n}= ??

where n is the number of half lives.

1/2^{3}= 1/8 g or 0.125

The others are done the same way.

**Answer this Question**

**Related Questions**

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

Calculus-Modeling Equations - An unknown radioactive element decays into non-...

physical science - A certain radioactive substance has a half-life of 1 hour. If...

algebra 2 - element x has a half life of 90 seconds. How much of a 100 gram ...

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

Chemistry - A radioactive element has a half-life of 6.41 days. What percent of ...

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

Science - Choose the explanation that does the following: (1) identifies the ...

Pre calc - If 250 mg of a radioactive element decays to 200 mg in 48 hours, find...

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