kyanlongmore kyanlongmore

01-03-2021
Chemistry

contestada

What is the half-life of Technetium-99 if a 200 gram sample decays to 50 grams in 639,000 years?

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ssatoshi686 ssatoshi686

09-03-2021

Answer:

The half-life of Th-232 is 1.4 ∙ 10¹⁰ years.

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