Discuss the trends in chemical reactivity of group 15 elements.

Comment on the reactivity of group 17 elements.

Which shows the least chemical reactivity?

Discuss the general characteristics of Group 15 elements with reference to their electronic configuration, oxidation state, atomic size, ionisation enthalpy and electronegativity.

Discuss the important characteristics of group 14 elements with a special reference to the following property: Oxidation states

Discuss the important characteristics of group 14 elements with a special reference to the following property: Multiple bond formation.

Discuss the important characteristics of group 14 elements with a special reference to the following property: Catenation

Discuss the important characteristics of group 14 elements with a special reference to the following property: Allotropy

Write the electronic configuration of group 15 elements

The reactivity of IA elements is due to-

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.