In the radioactive decay $_{92}X^{232} \to _{89}Y^{220}$,how many $\alpha$ and $\beta$-particles are ejected from $X$ to form $Y$?

  • A
    $3\alpha$ and $3\beta$
  • B
    $5\alpha$ and $3\beta$
  • C
    $3\alpha$ and $5\beta$
  • D
    $5\alpha$ and $5\beta$

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