Promethium-147 has been used in luminous paint for dials. The half-life of this isotope is 2.5 y.

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Promethium-147 has been used in luminous paint for dials. The half-life of this isotope is 2.5 y. What is the decay constant (in /s)?

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General Chemistry

ISBN: 978-1439043998

9th edition

Authors: Darrell Ebbing, Steven D. Gammon

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Question Posted: Mar 01, 2016 05:18 AM

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Promethium-147 has been used in luminous paint for dials. The half-life of this isotope is 2.5 y.

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k 0693 t 12 0693 2...View the full answer

General Chemistry

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