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`.

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?

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 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 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.

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?

Number of atoms per unit cell in fcc and bcc unit cells are 4 and 2 respectively.

the Number of atoms per unit cell in fcc and bcc unit cells are 4 and 2 respectively explain.

Write the oxidation number of cental atom in the following : K_2[Pt Cl_4]

Draw a number line and represent each of the following on it: 3+(-2)+(-4)

Find a rational number between -2/3 and 1/4