In the 238 U decay series shown in Fig. 43.7, some nuclides in the series are found
Question:
In the238U decay series shown in Fig. 43.7, some nuclides in the series are found much more abundantly in nature than others, even though every238U nucleus goes through every step in the series before finally becoming206Pb. Why don??t the intermediate nuclides all have the same abundance?
Fig.43.7
Transcribed Image Text:
N 146 4.47 x 10° y 238U 145 234Th 144 24.10 d 143 234Pa 70s 142 234U 2.46 x 10 y 141 140 230TH 7.54 x 104 139 138 1600 y 226Ra 137 136 222Rn 3.82 d 135 134 3.10 m 218Po 133 a decay 132 214p 27 m | 214Bi 131 19.9 m 214Po 19.9 m B decay 130 210 T 129 1.637 x 10s 1.30 m 210Pb 22.3 y 128 210Bi 127 5.01 d 210Po 126 125 206Pb 138.38 d 124 80 81 82 83 84 85 86 87 88 89 90 91 92 93 Hg TI Pb Bi Po At Rn Fr Ra Ac Th Pa U Np
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University Physics with Modern Physics
ISBN: 978-0133977981
14th edition
Authors: Hugh D. Young, Roger A. Freedman
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