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Periodic Classification of Elements

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

The first few elements which differ by eight in their atomic numbers will be in the same .................... in the periodic table.

group

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S is a group member of........................... (O, N).

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Metallic character......................... as one moves down a group.

increases

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The atomic radius of CI is.............................. than that of Ar.

less

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less

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