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""(92)^(238)U(IIIB) changes to ""(9)^(2...

`""_(92)^(238)`U(IIIB) changes to `""_(9)^(234)` Th by emission of `alpha`- particle . Daughter element will be in -

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Since, both `""_(92)^(2238)U and ""_(90)^(234)U` are f-block elements, hence both belong to III B group.
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""_(91)^(234)Pa rarr ""_(92)^(234)U occurs with the emission of

In the transformation of ""_(92)""^(238)U to ""_(92)""^(234)U , if one emission is an alpha particle, what should be the other emission(s)?

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._(92)^(238)U has 92 protons and 238 nucleons. It decays by emitting an alpha particle and becomes:

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