100 No. of Daughther atoms No. of Atoms 50 25 12.5 No. of Parent atoms 6.25 12 4. No. of half life Fig. shows the change in the number of atoms of the remaining parent isotope (blue), and the number of daughter atoms (red) corresponding to time. 1. How many atoms of the parent isotope before the start of decay? 2. How many atoms of the daughter isotope after the first half-life has passed? 3. How many newborn daughter isotopes have atoms after three half-lives (n- 3)? 4. Describe the shape of the radioactive decay curve: is it linear or exponential?

100 No. of Daughther atoms No. of Atoms 50 25 12.5 No. of Parent atoms 6.25 12 4. No. of half life Fig. shows the change in the number of atoms of the remaining parent isotope (blue), and the number of daughter atoms (red) corresponding to time. 1. How many atoms of the parent isotope before the start of decay? 2. How many atoms of the daughter isotope after the first half-life has passed? 3. How many newborn daughter isotopes have atoms after three half-lives (n- 3)? 4. Describe the shape of the radioactive decay curve: is it linear or exponential?

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter2: Life's Chemical Basis

Section: Chapter Questions

Problem 3SA

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