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Algebraic Identities

92U238→ 56Ba1...

Question

$_{92} U^{238} \to_{56} B a^{143} +_{- - - - - - - -} +_{0} n^{1}$

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Solution

$_{92} U^{238} \to_{56} {B a}^{143} +_{36} {K r}^{94} +_{0} n^{1}$

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Similar questions

_{92} U^{238}

decays to a stable nucleus of

_{82} {P b}^{206}

. In this process:

Q. On analysis, a sample of uranium ore was found to contain

0.277 g

_{82} {P b}^{206}

1.667 g

_{92} U^{238}

. The half life period of

U^{238}

4.51 \times 10^{9}

yrs. If all the lead were assumed to have come from decay of

_{92} U^{238}

, what is the age of the earth?

α

β

particles are emitted when

_{92} U^{238}

disintegrates to form lead

_{82} {P b}^{206}

Q. As a result of radioactive disintegration the nucleus

_{92} U^{238}

_{91} {P a}^{234}

. The particles emitted during the process are

Q. If by successive disintegration of

{_{92} U}^{238}

, the final product obtained is

{_{82} P b}^{206}

, then how many number of

α

β

particles are emitted?

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