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  • After the emission of one -particle followed by two <img alt="+1\beta" src="https://entrancecorner

After the emission of one \alpha-particle followed by two +1\beta particles from  _{92}^{238}U, the number of neutrons in the newly formed nucleus is

Option: 1

142


Option: 2

140


Option: 3

144

 


Option: 4

146


Answers (1)

best_answer

Answer (4)

_{92}^{238}U\rightarrow 2\beta ^{+1}+\alpha +_{88}X^{234}

N_{P}+N_{n}=234

N_{P}=88

88+N_{n}=234

N_{n}=234-88

        =146

 

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avinash.dongre

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