Starting from

PHYSICS · Single correct · CBSE · Physics · Nuclei · Nuclei

Problem

Starting from

^{238}_{92}\text{U}

, a series of

n

\alpha

–decays and

m

\beta^{-}

–decays produces a nucleus of mass number 222 and atomic number 86. Which pair

(n,\,m)

satisfies this transformation? (a)

(5,\,0)

(b)

(4,\,1)

(c)

(4,\,2)

(d)

(3,\,2)