Initial amountAfter 1 st half-life,50% remainsAfter 2nd half-life,25% remains100%After 4th half-life,After 5th half-life,After 3rd half-life,~12% remains6% remains~3% remainsIf you have a sample of radioactive material that weighs 2 grams, and only 1 gram is left that is radioactive after 5 years, what is thismaterial's half life?O A. 10 yearSО В. 5 yearsОС. 2.5 yearsO D. 1 year

Initial nuclei = 2 grams. Reduced nuclei = 1 grams. Time = 5 years. Half life time of material = ?

If you have a sample of radioactive material that weighs 2 grams, and only 1 gram is left that is radioactive after 5 years, what is this material's half life? O A. 10 years O B. 5 years O C. 2.5 years O D. 1 year

If you have a sample of radioactive material that weighs 2 grams, and only 1 gram is left that is radioactive after 5 years, what is this material's half life? O A. 10 years O B. 5 years O C. 2.5 years O D. 1 year

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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Question

Initial amount
After 1 st half-life,
50% remains
After 2nd half-life,
25% remains
100%
After 4th half-life,
After 5th half-life,
After 3rd half-life,
~12% remains
6% remains
~3% remains
If you have a sample of radioactive material that weighs 2 grams, and only 1 gram is left that is radioactive after 5 years, what is this
material's half life?
O A. 10 yearS
О В. 5 years
ОС. 2.5 years
O D. 1 year

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