Give brief information on atomic and ionic radius of alkali metal (Gro

1.	Give brief information on atomic and ionic radius of alkali metal (Group I).
Answer» Solution : The alkali metal atoms have the largest sizes in a particular period of the periodic table. With increase in ATOMIC number, the atom becomes larger. The monovalent ions `(M^(+))`are SMALLER than the parent atom. The atomic and ionic radii of alkali metals increase on moving down the group i.e., they increase in SIZE while going from Li to CS.

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