A radioactive reaction is $_{92}{U^{238}}{ \to _{82}}P{b^{206}}$. How many $\alpha $ and $\beta $  particles are emitted

  • A

    $10\alpha ,\;6\beta $

  • B

    $4$ protons, $ 8$ neutrons

  • C

    $6$ electrons, $8$ protons

  • D

    $6\beta ,\;8\alpha $

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