Given alongside is a part of the periodic table. As we move vertically downward from Li to Fr :

(i) What happens to the size of atoms.

(ii) What happens to their metallic character ?

What are the periods and group in a periodic table ? Give two characteristic of each.

In terms of electronic configurations, explain the variation in the size if the atoms of the elements belonging to the same period and same group.

Name two properties of the elements whose magnitude change when going from top to bottom in a group of periodic table. In what manner do they change ?

Rewrite the following statement after correction, if necessary :

Group have elements with consecutive atomic numbers.