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A radioactive element 90X238 decays into 83Y222. The number of β - particles emitted is :

A radioactive element 90X238 decays into 83Y222. The number of β - particles emitted is :

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Grade:12th pass

1 Answers

Khimraj
3007 Points
7 years ago
First of all calculate no of alpha particle emitted by particle. Which can be easily calculated by mass difference and are 238-222/4 = 4 so after alpha emotion element will be 82X222. So from here we easily can see there is only one beta particle is emitted as atomic no increase by one. So correct option is (4). Hope it clears. Please if u like answer then approve the answer.

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