Chapter 21 The main points of chapter 21 are as follows- Radioactivity and isotopes Email tomrdavidson@gmail.com and tell me you have checked the web page. This will give you ten points towards the test on this chapter. Presentation PowerPoint- Make sure to look at this as of 12/28. The previous one had type errors in the math. Home work problems- 7, 11, 12, 13, 14, 15, 17, 27, 31, 33, 35, half life activity |
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