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Element Isotopes Periodic Table

Radioactive Elements Periodic Table

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This periodic table shows the number of each element's isotopes.

This periodic table groups elements by the half-life of the element's most stable isotope and shows the number of each element's known isotopes.

Todd Helmenstine
You can download or print the pdf file or png version of this periodic table

Reference: International Atomic Energy Agency (IAEA) Nuclear Data Services, accessed September 4, 2011.

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