Analyse the periodic table and write the group and period of the elements.

Elements	Atomic number	Electronic configuration
H	1	1
Li	3	2, 1
Na	11	2, 8, 1
K	19	2, 8, 8, 1
Rb	37	2, 8, 18, 8, 1
Cs	55	2, 8, 18, 18, 8, 1
Fr	87	2, 8, 18, 32, 18, 8, 1

 

Identify the period number of group $1$ elements given in the table.

Examine the table given below, and find out the relationship between the electronic configuration and period number.

Examine the elements in group $1$and $2$ and also those in the groups $13$ to $18$ of the periodic table.

is there any element familiar to you?

Examine the elements in the group $1$ and $2$ and also those in the groups $13$ to $18$ of the periodic table. 

Are there metals included?