A) 69, 171
B) 70, 172
C) 68, 172
D) 69, 172
Correct Answer: D
Solution :
\[_{72}{{A}^{180}}\xrightarrow{-\alpha }{{\,}_{70}}A_{1}^{176}\xrightarrow{-\beta }{{\,}_{71}}A_{2}^{176}\xrightarrow{-\alpha }\] \[_{69}A_{2}^{172}{{\xrightarrow{\gamma }}_{69}}A_{4}^{172}\]You need to login to perform this action.
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