Nuclei

Related Questions

• Atomic weight of boron is 10.81 and it has two isotopes $_5{B^{10}}$and $_5{B^{11}}$. Then ratio of $_5{B^{10}}{:_5}{B^{11}}$in nature would be

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• In the given reaction $_z{X^A}{ \to _{z + 1}}{Y^A}{ \to _{z - 1}}{K^{A - 4}}{ \to _{z - 1}}{K^{A - 4}}$ Radioactive radiations are emitted in the sequence

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• When ${U^{235}}$ is bombarded with one neutron, the fission occurs and the products are three neutrons, $_{36}K{r^{94}}$ and

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• Radon (Ra) decays into Polonium (${P_0}$) by emitting an $\alpha - $ particle with half-life of 4 days. A sample contains $6.4 \times {10^{10}}$atoms of$Rn$. After 12 days, the number of atoms of ${R_n}$left in the sample will be

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• Work of moderator is

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