A radioactive element emits two beta-particle | vedclass

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(C) Let the parent nucleus be represented as $_{Z}^{A}X$.$1$. Emission of two $\beta$-particles: $_{Z}^{A}X \rightarrow _{Z+2}^{A}Y_1 + 2_{-1}^{0}e +

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an isotope of the parent nucleus.

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(C) Let the parent nucleus be represented as $_{Z}^{A}X$.$1$. Emission of two $\beta$-particles: $_{Z}^{A}X ightarrow _{Z+2}^{A}Y_1 + 2_{-1}^{0}e + 2\bar{
u}$. The mass number $A$ remains unchanged, and the atomic number increases by $2$.$2$. Emission of one $\alpha$-particle: $_{Z+2}^{A}Y_1 ightarrow _{Z+2-2}^{A-4}Y_2 + _{2}^{4}He$. The mass number decreases by $4$, and the atomic number decreases by $2$.$3$. The final nucleus is $_{Z}^{A-4}Y_2$.Since the atomic number $Z$ is the same as the parent nucleus, the resulting daughter nucleus is an isotope of the parent nucleus.

$A$ radioactive element emits two $\beta$-particles and one $\alpha$-particle. The resulting daughter nucleus is ...

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