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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 by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter21: Nuclear Chemistry
Section: Chapter Questions
Problem 16E: Technetium-99 is prepared from 98Mo. Molybdenum-SS combines with a neutron to give molybdenum-99, an...
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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
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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