A very unstable isotope of beryllium, 8 Be, undergoes emission with a half-life of 0.07 10
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A very unstable isotope of beryllium, 8Be, undergoes emission with a half-life of 0.07 × 10-15 s (0.07 fs). How long does it take for 99.90% of a 2.0-µg sample of 8Be to undergo decay?
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College Mathematics for Business Economics Life Sciences and Social Sciences
ISBN: 978-0321614001
12th edition
Authors: Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen
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