A) 172 and 69
B) 174 and 70
C) 176 and 69
D) 176 and 70
Correct Answer: A
Solution :
[a] \[_{72}{{A}^{180}}{{\xrightarrow{\alpha }}_{70}}{{A}_{1}}^{176}{{\xrightarrow{\beta }}_{71}}{{A}_{2}}^{176}\] \[{{\xrightarrow{\alpha }}_{69}}{{A}_{3}}^{172}{{\xrightarrow{\gamma }}_{69}}{{A}_{4}}^{172}\]You need to login to perform this action.
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