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e uranium decay series from U-238 to stable lead (Pb-206) is: U → 234Th → 234Pa → 234U → 230 Th → 26RA → 22RN → 218TH → 214Pb → 214Bi → 214PO 90 210Pb → 10Bi → 210PO → 2Pb 238 has a half-life of 4.5 billion years. Of the other nuclei on the way from U-238 to stable P 5, most are very short-lived (half-lives less than a few months). The exception is radium, w half-life of 1600 years. Marie Curie was given ten tonnes of pitchblende (uranium ore, mos anium oxide) and after several years of chemical processing and purification she isolated sor dium from it. Estimate how much radium there was in the pitchblende for her to extract.

e uranium decay series from U-238 to stable lead (Pb-206) is: U → 234Th → 234Pa → 234U → 230 Th → 26RA → 22RN → 218TH → 214Pb → 214Bi → 214PO 90 210Pb → 10Bi → 210PO → 2Pb 238 has a half-life of 4.5 billion years. Of the other nuclei on the way from U-238 to stable P 5, most are very short-lived (half-lives less than a few months). The exception is radium, w half-life of 1600 years. Marie Curie was given ten tonnes of pitchblende (uranium ore, mos anium oxide) and after several years of chemical processing and purification she isolated sor dium from it. Estimate how much radium there was in the pitchblende for her to extract.

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter19: Nuclear Chemistry
Section: Chapter Questions
Problem 56AP
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The uranium decay series from U-238 to stable lead (Pb-206) is: 238U → 234TH → 234Pa → 234U 230 Th → 226 Ra → 222RN → 218Th → 214Pb → 214 Bi → 214PO 92 90 91 92 90 88 84 82 83 84 210 Pb → 210 Bi → 210Po → 26Pb 82 83 84 U-238 has a half-life of 4.5 billion years. Of the other nuclei on the way from U-238 to stable Pb- 206, most are very short-lived (half-lives less than a few months). The exception is radium, with a half-life of 1600 years. Marie Curie was given ten tonnes of pitchblende (uranium ore, mostly uranium oxide) and after several years of chemical processing and purification she isolated some radium from it. Estimate how much radium there was in the pitchblende for her to extract.
Transcribed Image Text:The uranium decay series from U-238 to stable lead (Pb-206) is: 238U → 234TH → 234Pa → 234U 230 Th → 226 Ra → 222RN → 218Th → 214Pb → 214 Bi → 214PO 92 90 91 92 90 88 84 82 83 84 210 Pb → 210 Bi → 210Po → 26Pb 82 83 84 U-238 has a half-life of 4.5 billion years. Of the other nuclei on the way from U-238 to stable Pb- 206, most are very short-lived (half-lives less than a few months). The exception is radium, with a half-life of 1600 years. Marie Curie was given ten tonnes of pitchblende (uranium ore, mostly uranium oxide) and after several years of chemical processing and purification she isolated some radium from it. Estimate how much radium there was in the pitchblende for her to extract.
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