The sequence of stepwise decay of a radioactive nucleus is:
`DoversetalphararrD_1oversetbetararrD_2`
If the atomic number and mass number of `D_2` and 71 and 176 respectively, what are their corresponding values for D?

The radioactive isotope D decays according to the sequences Doverset(beta-)rarrD_1 overset(alpha-particli)rarrD_2 If the mass number and atomic number of D_2 are 176 and 71 respectively, what is atomic number of D?

The radioactive isotope D decays according to the sequences Doverset(beta-)rarrD_1 overset(alpha-particli)rarrD_2 If the mass number and atomic number of D_2 are 176 and 71 respectively, what is the mass number?

The sequence of stepwise decays of radioactive nucleus is D overset (alpha) rarr D_1 overset (beta) rarr D_2 overset (alpha) rarr D_3 overset (alpha) rarr D_4 . If the nucleon number and atomic number for D_2 are respectively 176 and 71 ,what ar the corresponding values for D an D_4 nuclei .Justify your answer.

A radioactive nucleus undergoes a series of decays according to the sequence, A overset (beta) rarr A_1 overset (alpha) rarr A_2 overset (alpha) rarr A_3 If the mass number and atomic number of A_3 are 172 and 69 respectively,what is the mass number and atomic number of A?

A radioactive nucleus A undergoes a series of decays according to the following scheme: A oversetalphararrA_1oversetbetararrA_2 oversetalphararrA_3oversetgammararrA_4 The mass number and atomic number of A are 180 and 72 respectively. What are these number for A_4 .

What will be the ratio of the radii of two nuclei of mass number A_1 and A_2 ?

Two lenses have powers + 1 D and - 2 D respectively ,The power of combination si:

In the radioactive disintegration of "_A^ZX n alpha-particles are emitted . Find atomic number and mass number of the new nucleus formed by this disintegration?

Two radioactive nuclei X and Y initially contain an equal number of atoms.Their half life is 1 hour and 2 hours respectively.Calculate ratio of their rates of disintegration after two hours.

Two nuclei have mass number in the ratio of 1:2, what is the ratio of their nuclear densities?