The following statements regarding the periodic trends of chemical reactivity of the alkali metals and the halogens are given. Which of these statement gives the correct picture:

Options

A. In alkali mentals , the reactivity increas in atomic number down the group
B. The reactivity decreases in the alkli mentals,but increas in halogens with increas in atomic number down the group
C. In both alkali metals and the halogens, the chemical reactivity decreases with increase in atomic number down the group.
D. Chemical reactivity increasin atomic number down the group the group in both the alkali mentals and halogens.

Answer

A

Explanation

It is a fact.