An isotope of ""^(231)Th can be converte...

An isotope of `""^(231)Th` can be converted into `""^(227)Th` by the emission of

one `alpha`- particle

one `beta`- particle

two `alpha` and one `beta`- particle

one `alpha` and two `beta`-particle

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The correct Answer is:

Emission of one `alpha` and two `beta`-particles produces an isotope of the initial nuclide.

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