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3 answers

Start with the radioactivity wiki: http://en.wikipedia.org/wiki/Radioactivity

2007-01-08 06:57:15 · answer #1 · answered by vejjev 2 · 1 0

Look at the bottom rows of the Periodic Table

http://acswebcontent.acs.org/periodic/tools/PT.html

2007-01-08 15:52:34 · answer #2 · answered by Scott S 4 · 1 0

Go to www.sciencebuddies.com and www.extraphysics.com

2007-01-08 07:05:17 · answer #3 · answered by Kool guy 1 · 1 0

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