Which one of the following does not increase while moving down the group of the periodic table?

Which one of the following does not increase while moving down the group of the periodic table?

Q. Which one of the following does not increase while moving down the group of the periodic table?

A.            Atomic radius

B.            Metallic character

C.            Valence electrons

D.            Shells in the atoms

Answer: Valence electrons

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