#carmella-goodwin
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![Do Now - March [22-5], 2009 1.Give three examples of things that involved nuclear chemistry. 2.What is the definition of a half-life ? 3.Draw the basic.](https://static.cupdf.com/doc/330x215/56649f425503460f94c61b15/do-now-march-22-5-2009-1give-three-examples-of-things-that-involved-nuclear.jpg)
