Which one of the following statements is not correct about the trends in the properties of the elements of a group on going down in a group?

Q. Which one of the following statements is not correct about the trends in the properties of the elements of a group on going down in a group?

A.            The chemical reactivity of metals increases.

B.            The metallic character of elements increases.

C.            The size of the atom increases.

D.            The valence electrons increase.

Answer: The valence electrons increase.