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:

Following statements regarding the periodic trends of chemical reactivity of the alkali metals and the halogens are given. Which of these statements gives the correct picture: A)In alkali metals the reactivity increases but in the halogens it decreases with increase in atomic number down the group B)The reactivity decreases in the alkali metals but increases in the halogens with increases in atomic number down the group. C)In both the alkali metals and the halogen the chemical reactivity decreases with increases in atomic number down the group D)Chemical reactivity increases with increases in atomic number down the group in both the alkali metals and halogens.

Following statements regarding the periodic trends of chemical reactivity of alkali metals and halogens are given. Which of these statements give the correct picture?

Write a note about periodic trends and chemical reactivity.

To decrease the chemical reactivity, alkali metals are converted to

Choose the correct statement regarding the picture.