1.

The total number of alphaandbeta particles emitted in the nuclear reaction ""_(92)^(238)Uto""_(82)^(214)Pb is

Answer»


SOLUTION :`._(92)^(238)Urarr._(82)^(214)Pb +x._(2)He^(4)+y ._(-1)E^(0)`
Applying mass number balance
`238=214 +4x "" x=6`
Applying nuclear CHARGE balance
`92=82+2x-y`
`92=82+12-y`
`y=2`
Total no. of `alpha` & `beta` particle emitted=8


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