Explain why, the properties of elements are repeated 2,8,18 and 32 elements in the periodic table.

The first element in the periodic table is_____.

What is the nature of group 1 (1A) elements in the periodic table?

Explain how the elements are arranged in the form of the periodic table.

The most electronegative element of the periodic table is :

How many d - block elements are there in the periodic table ?

Write the group number of s,p and d-block elements in periodic table.

What are the properties of group 2(11A) elements of periodic table?

State two non periodic properties of element.

The electronic configuration of an element is 1s^2 2s^2 2p^6 3s^2 3p^4 . The atomic number of the element present just below the above element In the periodic table.