Chemistry, 16.04.2020 02:57 linnybear300
Promethium-147 is sometimes used in luminescent paint. It has a half-life of 956.3 days. If 250 grams (g) of promethium-147 is used to make paint, what percentage of the isotope is still present in the paint after one year?
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Promethium-147 is sometimes used in luminescent paint. It has a half-life of 956.3 days. If 250 gram...
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