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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
An unknown radioactive element decays into non-radioactive substances. In 440440 days the radioactivity of a sample decreases by 3737 percent.
(a) What is the half-life of the element?
half-life: (days)
(b) How long will it take for a sample of 100100 mg to decay to 6060 mg?
time needed: (days)
(a) What is the half-life of the element?
half-life: (days)
(b) How long will it take for a sample of 100100 mg to decay to 6060 mg?
time needed: (days)
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