The missing particle in the reaction `._(1)^(1)p rarr" "+._(-1)^(0)e`

The missing projectile in the reaction : ""_(1)^(2)H+?to""_(1)^(1)H+""_(0)^(1)n is :

Which is the missing particle in the following nuclear reaction ? ""_(3)Li^(7) + ""_(1)H^(2) rarr ""_(3)Li^(8) + ?

The missing nucleide in the nuclear reaction : ""_(93)^(239)Npto.......+_(-1)^(0)e is

Identify the particle P in the following nuclear reaction. X_(Z)^(A) to Y_(Z+1)^(A) + e_(-1)^(0)+P

The particles emitted in the nuclear reaction are respectively - ._(Z)X^(A) rarr ._(Z + A)Y^(A) rarr._(Z - 1)R^(A - 4) rarr._(Z - 1)R^(A - 4)

For the nuclear reaction, ._(0)n^(1) to ._(1)H^(1) + ? , the missing nuclide is