Questions

Ina radioactive decay chain, ${}_{90}^{232}T h$ nucleus decay to ${}_{82}^{212}P b$ nucleus. Let $N_{α}$ and $N_{β}$ be the number of $α$ and $β^{-}$ particles, respectively, emitted in this decay process. Which of the following statements is (are) true?

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Nα=5

Nα=6

Nβ=2

Nβ=4

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detailed solution

Correct option is A

90232 Th is converting into 82212 PbChange in mass number (A) =20Number of α particle = 204=5Due to 5 α particle, z will be change by 10 unit.Since given change is 8, therefore number of β particle is 2

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Similar Questions

Match the following two columns.

Column I	Column II
(a) After emission of one $α$ and one $β$ particles	(p) atomic number will decrease by 3
(b) After emission of two $α$ and one $β$ particle	(q) atomic number will decrease by 2
(c) After emission of one $α$ and two $β$ particles	(r) mass number will decrease by 8
(d) After emission of two $α$ and two $β$ particles.	(s) mass number will decrease by 4