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(A) Noble gases are monoatomic and possess the largest atomic radius in their respective periods. The atomic size of noble gases increases down the gr

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$He$

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(A) Noble gases are monoatomic and possess the largest atomic radius in their respective periods. The atomic size of noble gases increases down the group from $He$ to $Rn$ due to the addition of new shells. Among the noble gases, $He$ has the smallest atomic size. Due to its extremely small size, $He$ atoms can easily diffuse through the pores of silica glass. The atomic radius of noble gases is referred to as the van der Waals radius.

Column-$I$	Column-$II$
$(a)$ $XeF_2$	$(i)$ Square planar
$(b)$ $XeF_4$	$(ii)$ Linear
$(c)$ $XeO_3$	$(iii)$ Square pyramidal
$(d)$ $XeOF_4$	$(iv)$ Pyramidal

The element that can even diffuse through silica glass is

Similar Questions

Match the compounds of $Xe$ in Column-$I$ with the molecular structure in Column-$II$.

Column-$I$ Column-$II$

$(a)$ $XeF_2$ $(i)$ Square planar

$(b)$ $XeF_4$ $(ii)$ Linear

$(c)$ $XeO_3$ $(iii)$ Square pyramidal

$(d)$ $XeOF_4$ $(iv)$ Pyramidal

The number of lone pair of electrons present in the valence shell of Xenon $(Z=54)$ in $XeOF_4$,$XeF_4$,$XeF_2$,and $XeF_6$ are respectively:

Fluorine forms chemical compounds with

The noble gas that does not occur in the atmosphere is

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