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The rate at which a certain element decay is proportional to the number of such element that are present in the given sample. Half of the original number of elements have undergone disintegration in a period of 1000 years. (a) what percentage of the number of radioactive element will remain after 3000 years?(b) In how many years will only 10% of the original number remain?

The rate at which a certain element decay is proportional to the number of such element that are present in the given sample. Half of the original number of elements have undergone disintegration in a period of 1000 years. (a) what percentage of the number of radioactive element will remain after 3000 years?(b) In how many years will only 10% of the original number remain?

Chemistry
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
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The rate at which a certain element decay is proportional to the number of such element that are present in the given sample. Half of the original number of elements have undergone disintegration in a period of 1000 years. (a) what percentage of the number of radioactive element will remain after 3000 years?(b) In how many years will only 10% of the original number remain?
Transcribed Image Text:The rate at which a certain element decay is proportional to the number of such element that are present in the given sample. Half of the original number of elements have undergone disintegration in a period of 1000 years. (a) what percentage of the number of radioactive element will remain after 3000 years?(b) In how many years will only 10% of the original number remain?
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