Thursday

July 24, 2014

July 24, 2014

Posted by **Kelli Kenyon** on Monday, June 6, 2011 at 10:00pm.

Approximately how much mass remains after 8.0 hours? After 21 hours, and what is the half life of the isotope

- physics -
**drwls**, Tuesday, June 7, 2011 at 8:12amWhat is the isotope? You are being asked for the half life without being provided with any data on the decay rate.

**Related Questions**

math grade 12 - 2. An isotope of sodium has a half-life of 15 h. A sample of ...

chemistry - Gallium-67 is used medically in tumor-seeking agents. The half-life ...

Calculas - suppose m(0) milligrams of a drug are put in the blood of an ...

CALCULUS PLEASE HELP!! - suppose m(0) milligrams of a drug are put in the blood ...

Half-life - After two hours, 1/16 of the initial amount of a radioactive isotope...

Radioactivity or science - A radioactive isotope source has a mass of 120ug. If ...

isd muscat - after two hours 1/16th of the radioactive isotope remains undecayed...

CALCULUS PLEASE HELP - suppose m(0) milligrams of a drug are put in the blood of...

Advanced Math Help! - suppose m(0) milligrams of a drug are put in the blood of ...

CALCULUS PLEASE HELP!! - suppose m(0) milligrams of a drug are put in the blood ...