JEE Main 202324 Jan, Morning shiftPhysicsMediumAtoms and Nuclei183× since 2002
Consider the following radioactive decay process
_{84}^{218}A\buildrel \alpha \over
\longrightarrow {A_1}\buildrel {{\beta ^ - }} \over
\longrightarrow {A_2}\buildrel \gamma \over
\longrightarrow {A_3}\buildrel \alpha \over
\longrightarrow {A_4}\buildrel {{\beta ^ + }} \over
\longrightarrow {A_5}\buildrel \gamma \over
\longrightarrow {A_6}
The mass number and the atomic number of A are given by :