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3 June, 11:25

Write the nuclear equation for the alpha decay of:

(a) Ra-256

(b) Rn - 219

(c) Po - 211

(d) Pb-210

(e) U-238

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Answers (1)
  1. 3 June, 11:59
    0
    The answer to your question is below

    Explanation:

    Alpha decay occurs when a radioactive atm emits an alpha particle (Helium atom).

    a) ²⁵⁶Ra ⇒ ²⁵²₈₄ Po + ⁴₂He

    b) ²¹⁹Rn ⇒ ²¹⁵₈₂Pb + ⁴₂He

    c) ²¹¹Po ⇒ ²⁰⁷₈₀Hg + ⁴₂Hg

    d) ²¹⁰Pb ⇒ ²⁰⁶₇₈Pt + ⁴₂Hg

    e) ²³⁸U ⇒ ²³⁴₈₈U + ⁴₂Hg
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