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TED-Ed

Why does everything decay into lead?

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If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive. And the vast majority of those elements wind up decaying into some version of lead eventually. But why is lead so special? SciShow digs into the chemical properties of lead.

Watch the video and finish the Think section to complete the lesson.


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Video created by
SciShow
Lesson Plan created by
Lauren McAlpine

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