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Nuclei

Question
What is the respective number of α  and β particles emitted in the following radioactive decay 90X200→80Y168
A . 6 and 8
B . 8 and 8
C . 6 and 6
D . 8 and 6
 Next Question
Answer: Option D
: D

nα=A−A′4=200−1684=8
nβ=2nα−Z+Z′=2×8−90+80=6


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