The missing particle in the reaction,$_{92}^{235}U + _{0}^{1}n \to _{56}^{146}Ba + ... + 3_{0}^{1}n$ is

Which one of the following notations shows the product incorrectly?

Deuterons when bombarded on a nuclide produce $_{18}Ar^{38}$ and neutrons. The target is

In the sequence of the following nuclear reactions $_{92}X^{238}$ $\xrightarrow{-\alpha} Y$ $\xrightarrow{-\beta} Z$ $\xrightarrow{-\beta} L$ $\xrightarrow{-n\alpha} _{84}M^{218}$. The value of $n$ will be:

$_{89}Ac^{231}$ gives $_{82}Pb^{207}$ after the emission of some $\alpha$ and $\beta$ particles. The number of such $\alpha$ and $\beta$ particles are respectively:

In the following nuclear reactions $_7N^{14} + _2He^4 \to _8O^{17} + X_1$ and $_{13}Al^{27} + _1D^2 \to _{14}Si^{28} + X_2$,$X_1$ and $X_2$ are respectively: