Question

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Answer 1

Answer:

group is a vertical column in the periodic table. the elements placed in a vertical column in the periodic table are said to belongs to the same group .

(a) as the metallic character increases on going down a group the greatest metallic character is expected to be shown by the elements in the lowest part of a group

(b) atomic size increases on moving down a group so element at the bottom of a group would be of largest size in that group

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Answer 2

Answer:

A GROUP IN A PERIODIC TABLE CONTAINS ELEMENTS WHICH HAVE SAME NO. OF ELECTRONS IN THEIR OUTER ORBITALS......

A......1st Group 7th Period.......increases down the group

B.......1st Group 7th Period....increases down the group

Explanation:

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