Strantium 90 is a major component of the detonation of nuclear explosives, it is particularly dangerous because it chemically mimics calcium and is therefore incorporated into bone in living beings. It has a half life of 28.1 years. a. Determine the decay constant for Sr-90 6 b. What fraction of the element remains after ten half lives have passed? How many years are required for 99.9% of a sample of Sr-90 to decay?

Strantium 90 is a major component of the detonation of nuclear explosives, it is particularly dangerous because it chemically mimics calcium and is therefore incorporated into bone in living beings. It has a half life of 28.1 years. a. Determine the decay constant for Sr-90 6 b. What fraction of the element remains after ten half lives have passed? How many years are required for 99.9% of a sample of Sr-90 to decay?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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Concept explainers

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.

Question

Strantium 90 is a major component of the detonation of nuclear explosives,
it is particularly dangerous because it chemically mimics calcium and is therefore
incorporated into bone in living beings, it has a half life of 28.1 years.
a. Determine the decay constant for Sr-90
b. What fraction of the element remains after ten half lives have passed?
6. How many years are required for 99.9% of a sample of Sr-90 to decay?

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