Why are the elements of Group $18$ known as noble gases?
- AThey are highly reactive.
- BThey have completely filled valence shell orbitals.
- CThey are found in abundance in the atmosphere.
- DThey are all radioactive.
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View SolutionThe most abundant noble gas in the atmosphere is
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
| 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 |
MediumNEET 2020
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