`1 g` atom of an `alpha`-emitting `._(z)X^(4)` (half life = 10 hr) was placed in sealed containers, `4.52 xx 10^(25)`. Helium atoms will accumulate in the container afterA. 4.52 hrB. 10.00 hrC. 9.40 hrD. 20.00 hr

`1 g` atom of an `alpha`-emitting `._(z)X^(4)` (half life = 10 hr) was

1.	`1 g` atom of an `alpha`-emitting `._(z)X^(4)` (half life = 10 hr) was placed in sealed containers, `4.52 xx 10^(25)`. Helium atoms will accumulate in the container afterA. 4.52 hrB. 10.00 hrC. 9.40 hrD. 20.00 hr
Answer» Correct Answer - D

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`1 g` atom of an `alpha`-emitting `._(z)X^(4)` (half life = 10 hr) was placed in sealed containers, `4.52 xx 10^(25)`. Helium atoms will accumulate in the container afterA. 4.52 hrB. 10.00 hrC. 9.40 hrD. 20.00 hr

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