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 rate the mass number and atomic number of A ?

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 undergoes a series of decays according to the sequence A overset(beta)rarrA_(1)overset(alpha)rarrA_(2) overset(alpha)rarrA_(3) . If the mass number and atomic number of A3 are 172 and 69 respectively, what is the mass number and atomic number of A?

A radioactive nucleus undergoes a series of decays according to the sequence Xoverset(beta)toX_(1)overset(alpha)toX_(2)overset(alpha)toX_(3) . f the mass number and atomic number of X_(3) are 172 and 69 respectively. what is the mass numberand atomic number of X ?

A radioactive nucleus undergoes a series of deacy according to the scheme. Aoverset(alpha)rarrA_(1)overset(beta^(-))rarrA_(2)overset(alpha)rarrA_(3)overset(gamma)rarrA_(4) If the mass number and atomic number of A are 180 and 72 respectively, what are these numbers for A_(4) .

A radioactive nucleus undergoes a series of deacy according to the scheme. Aoverset(alpha)rarrA_(1)overset(beta^(-))rarrA_(2)overset(alpha)rarrA_(3)overset(gamma)rarrA_(4) If the mass number and atomic number of A are 180 and 72 respectively, what are these numbers for A_(4) .

A radioactive nucleus undergoes a series of deacy according to the scheme. Aoverset(alpha)rarrA_(1)overset(beta^(-))rarrA_(2)overset(alpha)rarrA_(3)overset(gamma)rarrA_(4) If the mass number and atomic number of A are 180 and 172 respectively, what are these numbers for A_(4) .

A radioactive nucleus undergoes a series of decay according to the scheme A overset(alpha)rarr A_(1) overset(beta^(-))rarr A_(2) overset(alpha)rarr A_(3)^(172) overset(gamma)rarr A_4 .

A radioactive nucleus undergoes a series of decay according to the scheme. Aoverset(alpha)toA_(1)overset(beta)toA_(2)overset(alpha)toA_(3)overset(gamma)toA_(4) . If the mass number and atomic number of A are 180 and 72 respectively, then the mass number (x) and atomic and atomic number (y) of A_(4) are