Three $\alpha - $ particles and one $\beta - $ particle decaying takes place in series from an isotope $_{88}R{a^{238}}$. Finally the isotope obtained will be

  • A

    $_{84}{X^{220}}$

  • B

    $_{86}{X^{222}}$

  • C

    $_{83}{X^{224}}$

  • D

    $_{83}{X^{215}}$

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