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October 21, 2014

Homework Help: chemistry

Posted by penelope on Monday, July 12, 2010 at 1:03pm.

the longest lived radioactive isotope yet discovered is the beta-emitter tellurium-130.it has been determinded that it would take 2.4 x 10^21 years for 99.9% of this isotope to decay. write the equation for this reaction, and identify the isotope into which tellurium-130 decays.

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