[" 22.A radioactive nucleus A undergoes a series of decay according to following scheme "],[qquad [" A "(alpha)/(" The mass number and atomic number of A are "180" and "72" respectively what are the ")],[" numbers for "A_(4)" ? "]]

A radioactive nucleus undergoes a series of decay according to the scheme If the mass number and atomic number of A are 180 and 72 , respectively, what are these number A_(4) ?.

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 decay according to the scheme A oversetalphato A_1 oversetbetato A_2 oversetalpha to A_3 oversetgammato A_4 if the mass number and atomic number of A are 180 and 72 respectively, then what are these number for A_3

A radioactive nucleus undergoes a series of decay according to the scheme A oversetalphato A_1 oversetbetato A_2 oversetalpha to A_3 oversetgammato A_4 if the mass number and atomic number of A are 180 and 72 respectively, then what are these number for A_3

(a) What are isotones? (b) A overset(alpha) to A_(1) overset(beta) to A_(2) overset(alpha) to A_(3) The mass number and atomic number of A are 180 and 72 respectively. What are these numbers for A_(3) ?