The question is: When ${}_{88}^{226}$Ra decays, it emits 2 α particles, then a β particle, followed by another α. The resulting nucleus is:
A.
${}_{83}^{212}$Bi
B.
${}_{86}^{222}$Rn
C.
${}_{82}^{214}$Pb
D.
${}_{83}^{214}$Bi
Exam No：AP Chemistry Problem Set 4 Year：2024 Question No：APChemistry2024AP0157
Answer:
D
Knowledge points:
1.5 Atomic Structure and Electron Configuration
Solution:
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