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Why do noble gases have comparatively la...

Why do noble gases have comparatively large atomic size in a particular period ?

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Noble gases have comparatively large atomic sizes because they have van der Waal .s radii only which are expected to have larger magnitude , wheres other members of a period have either covalent or metallic radii which are less in magnitude .
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Knowledge Check

  • Noble gases do not occur in:

    A
    Nature
    B
    Ores
    C
    Atmosphere
    D
    Sea water

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