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Half Life Virtual Lab 8.03 & 8.04 Go to the following website after you have downloaded the lab report: http://glencoe.mheducation.com/sites/0078778115/student_view0/unit5/chap ter14/virtual_lab.html Please submit to the dropbox 8.04 I. II. III. Purpose: To investigate the meaning of radioactive half0life as you see a simulation of the radioactive decay of isotopes of four hypothetical elements. To collect radioactive decay rate data over a period of 20,000 years. To determine, compare and contrast half-lives of the 4 radioactive elements. Procedure: 1. Click the Video button and watch the video to review about atoms. 2. Select Element at from the pull-down menu. At first you will see a total of 100 radioactive atoms on the screen. 3. Click the Years passed button to advance the time 1000 years. 4. Click the Count the Remaining Radioactive Atoms button to see how many radioactive atoms remain. 5. Click the Remove the Atoms No Longer Radioactive button to remove the daughter elements 6. Record the number of remaining radioactive element in the data table. 7. Continue to advance the time by 1000 year intervals until Half of the original atoms remain.
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