Argon was discovered by

Noble gases are a group of elements that exhibit which of the following?

$XeO_4$ molecule is tetrahedral having

The difference in the oxidation state of $Xe$ between the oxidized product of $Xe$ formed on complete hydrolysis of $XeF_4$ and $XeF_4$ is

Which statements are $NOT$ $TRUE$ about $XeO_{2}F_{2}$?
$A$. It has a see-saw shape.
$B$. $Xe$ has $5$ electron pairs in its valence shell in $XeO_{2}F_{2}$.
$C$. The $O-Xe-O$ bond angle is close to $180^{\circ}$.
$D$. The $F-Xe-F$ bond angle is close to $180^{\circ}$.
$E$. $Xe$ has $16$ valence electrons in $XeO_{2}F_{2}$.
Choose the correct answer from the options given below.

Write the preparation of,or discuss the properties of:
$(i)$ Xenon-Fluorine compounds
$(ii)$ Xenon-Oxygen compounds