The particles emitted by radioactive decay are deflected by magnetic field. The particles will be

In a radioactive decay, neither the atomic number nor the mass number changes. Which of the following would be emitted in the decay process

In gamma ray emission from a nucleus

Which one of the following is a possible nuclear reaction

A neutron strikes a ${ }_{92} U ^{235}$ nucleus and as a result ${ }_{38} Kr ^{93}$ and ${ }_{56} Ba ^{140}$ are produced with

Consider the following radioactive decay process 

${ }_{84}^{218} A \stackrel{\alpha}{\longrightarrow} A_1 \stackrel{\beta^{-}}{\longrightarrow} A_2 \stackrel{\gamma}{\longrightarrow} A_3 \stackrel{\alpha}{\longrightarrow} A_4 \stackrel{B^{+}}{\longrightarrow} A_5 \stackrel{\gamma}{\longrightarrow} A_6$

The mass number and the atomic number $A _6$ are given by