Thorium-234 Decay: Positron & Alpha

Chemistry Level 2

\[_{90}^{234}Th + _{+1}^{\space 0}e \rightarrow X \\ X \rightarrow _2^4He + Y\] \(\text{Thorium-234}\) undergoes positron absorption to form atom \(\text{X}\), which then undergoes \(\alpha\) decay to form an alpha particle and atom \(\text{Y}\). \[\] Determine the identity of \(\text{Y}\) and give your answer as the \(\text{mass number}\) minus the \(\text{atomic number}\).


David's Organic Chemistry Set

David's Physical Chemistry Set

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