1.

The nucleus resulting from ""_(92)^(238)U after successive loss of two alpha and four beta particles is

Answer»

`""_(90)^(234)Th`
`""_(94)^(230)PU`
`""_(88)^(230)Ra`
`""_(92)^(230)U`

SOLUTION :`""_(92)^(238)U overset(-2 alpha)(rarr) ""_(88)^(230)X overset(-4 beta)(rarr) ""_(92)^(230)U`.


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