(1) Nitrogen is a diatomic gas
(2) All halides of Nitrogen are stable
(3) Nitrogen forms 5 oxides
(4) Forms a stable Hydride ($\text{NH}_3$) which is basic
(5) Does not show alltropy
$\begin{array}{1 1} (2)\;and\;(4) \\ Only (2) \\ (1),(3)\;and \;(4) \\ (3) \;and\;(5) \end{array}$