Starting with 238 U and ending with an isotope of Pb, write a decay scheme in which
Question:
Starting with 238U and ending with an isotope of Pb, write a decay scheme in which every nuclide emits only an particle. Compare your scheme to the decay series in Figure 14.5 and suggest a reason why β– emissions must occur in the 238U decay series.
Figure 14.5
Transcribed Image Text:
Atomic number, Z 94 92 90 88 86 84 82 80 E 1 I I I II ... and the series ends 3 with stable 206Pb. 210Po 206pb 4444 234Th 238 U ||▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 78 LLL 122 124 126 128 130 132 134 136 138 140 142 144 146 148 Neutron number, N Uranium-238 decays... Alpha decay Beta decay ... through a series of 2 a and B emissions...
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The decay scheme of 238U to Pb with only alpha decay is as follows 238U 234Th 230Th 226Ra 222Rn 218P...View the full answer
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Chemistry For Engineering Students
ISBN: 9780357026991
4th Edition
Authors: Lawrence S. Brown, Tom Holme
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