The table of parent-daughter isotopes shows three different isotope pairs that are used in radioisotope dating. Examine the chart and answer the following questions. Isotope Daughter of Parent Dating Range Half-Life Effective Parent (y) uranium-235 lead-207 710 million>10 million 22. Lead-207 is called the daughter of uranium-235. What does this mean? potassium-40 argon-40 1.3 billion 10 000 to 3 billion carbon-14 nitrogen-14 5730 up to 50 000 23. How old is a rock sample that oontains uranium-235 and lead-207 in equal amounts? 24. The age of Earth was first established in 1953 when Claire C. Patterson of the Califormia Institute of Technology used a uranium-lead clock to analyze rock. In comparing amounts of uranium-235 with lead-207, he established that about 8 half-lives of uranium-207 had passed since the rock formed. Using this data, estimate the age of Earth.
The table of parent-daughter isotopes shows three different isotope pairs that are used in radioisotope dating. Examine the chart and answer the following questions. Isotope Daughter of Parent Dating Range Half-Life Effective Parent (y) uranium-235 lead-207 710 million>10 million 22. Lead-207 is called the daughter of uranium-235. What does this mean? potassium-40 argon-40 1.3 billion 10 000 to 3 billion carbon-14 nitrogen-14 5730 up to 50 000 23. How old is a rock sample that oontains uranium-235 and lead-207 in equal amounts? 24. The age of Earth was first established in 1953 when Claire C. Patterson of the Califormia Institute of Technology used a uranium-lead clock to analyze rock. In comparing amounts of uranium-235 with lead-207, he established that about 8 half-lives of uranium-207 had passed since the rock formed. Using this data, estimate the age of Earth.
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
![Effective
The table of parent-daughter isotopes shows three
different isotope pairs that are used in radioisotope
dating. Examine the chart and answer the following
questions.
Half-Life
Isotope
Daughter
of Parent Dating Range
(y)
Parent
uranium-235 lead-207
710 milion
>10 million
10 000 to
3 billion
potassium 40 argon 40
1.3 bilion
22. Lead-207 is called the daughter of uranium-235.
What does this mean?
carbon-14
nitrogen-14
5730
up to
50 000
23. How old is a rock sample that oontains uranium-235 and lead-207 in equal amounts?
24. The age of Earth was first established in 1953 when Claire C. Patterson of the California Institute of
Technology used a uranium-lead clock to analyze rock. In comparing amounts of uranium-235 with
lead-207, he established that about 8 half-lives of uranium-207 had passed since the rock formed.
Using this data, estimate the age of Earth.
25. lodine-131 is a radioactive substance that can be used to treat certain thyroid conditions. It has a
half-life of 8 days. Your friend with a thyroid condition is given 40 mg of I-131 to drink Assuming
that all the I-131 stays in her body, how much will remain after 4 half-lives?
26. Your mother will soon undergo some medical testing that will require her to swallow a radioactive
isotope as a traccer. She is nervous about having a radioactive substance in her body even though the
radiologist told her not to worry, as the isotope has a half-life of only 7 minutes. Explain to her what
a half-life is, and the significance of the half-life being 7 minutes.
O](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcd5f73a3-7cf8-41e4-8c5e-b3777e2a28a1%2Fed4b5290-1499-47a3-a565-6aba865c926f%2Fkekf049_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Effective
The table of parent-daughter isotopes shows three
different isotope pairs that are used in radioisotope
dating. Examine the chart and answer the following
questions.
Half-Life
Isotope
Daughter
of Parent Dating Range
(y)
Parent
uranium-235 lead-207
710 milion
>10 million
10 000 to
3 billion
potassium 40 argon 40
1.3 bilion
22. Lead-207 is called the daughter of uranium-235.
What does this mean?
carbon-14
nitrogen-14
5730
up to
50 000
23. How old is a rock sample that oontains uranium-235 and lead-207 in equal amounts?
24. The age of Earth was first established in 1953 when Claire C. Patterson of the California Institute of
Technology used a uranium-lead clock to analyze rock. In comparing amounts of uranium-235 with
lead-207, he established that about 8 half-lives of uranium-207 had passed since the rock formed.
Using this data, estimate the age of Earth.
25. lodine-131 is a radioactive substance that can be used to treat certain thyroid conditions. It has a
half-life of 8 days. Your friend with a thyroid condition is given 40 mg of I-131 to drink Assuming
that all the I-131 stays in her body, how much will remain after 4 half-lives?
26. Your mother will soon undergo some medical testing that will require her to swallow a radioactive
isotope as a traccer. She is nervous about having a radioactive substance in her body even though the
radiologist told her not to worry, as the isotope has a half-life of only 7 minutes. Explain to her what
a half-life is, and the significance of the half-life being 7 minutes.
O
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