Test Academy | A radioactive nucleus A Z X undergoes spontaneous decay in the sequence A Z X → Z − 1 B → Z − 3 B → Z − 2 D , where Z is the atomic number of element X. The possible decay particles in the sequence are : β+, α, β−, β−, α, β+, α, β−, β+, α, β+, β−

Question

A radioactive nucleus $\frac{A}{Z}$ X undergoes spontaneous decay in the sequence

$\frac{A}{Z} X \to_{Z - 1} B \to_{Z - 3} B \to_{Z - 2} D$ , where Z is the atomic number of element X. The possible decay particles in the sequence are :

Options :

β⁺, α, β⁻
β⁻, α, β⁺
α, β⁻, β⁺
α, β⁺, β⁻

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