Nuclear Chemistry - Result Question 8

####8. If uranium (mass number 238 and atomic number 92) emits an $\alpha$-particle, the product has mass number and atomic number

(1981, 1 M)

(a) $Ge _{32}^{77}$

(b) $As _{33}^{77}$

(c) $Se _{34}^{77}$

(d) $Se _{34}^{78}$

Objective Questions II
(One or more than one correct option)

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Answer:

Correct Answer: 8. (c)

Solution:

  1. The nuclear reaction is

$$ { } _{92} U^{238} \longrightarrow{ } _2 He^{4}(\alpha)+{ } _{90} Th^{234} $$



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