Question
Complete the following nuclear changes:
$\ce {X \text ->[β] X_1 \text ->[α] X_2 \text ->[α] ^172_69 X_3}$
Complete the following nuclear changes:
$\ce {X \text ->[β] X_1 \text ->[α] X_2 \text ->[α] ^172_69 X_3}$
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