After a series of alpha and beta decays,...

After a series of alpha and beta decays, `._94Pu^(239)` becomes `._82Pb^(207)`. How many alpha and beta particles are emitted in the complete decay process?

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(i) Number of `alpha`-particles emitted `=32//4=8`
(ii) Number of `beta`- particles emitted `=16-8=8`

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