Question

A radioactive nucleus undergoes a series of decay
according to the scheme
a β α γ
A → A₁ → A₂ → A₃ → A₄
If the mass number and atomic number of ‘A’ are 180 and 72
respectively, then what are these numbers for A₄
(a) 172 and 69 (b) 174 and 70
(c) 176 and 69 (d) 176 and 70

Answer 1

Answer:

(a) 172 and 69

Explanation:

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