…………….. period of periodic table is incomplete.

The number of elements present in 6th period is ………

Nitrogen is the element of group-VA of the periodic table. Which of the following is the atomic number of the next element in the group?

Electron configuration of an atom is 2, 8, 7. Which of the following elements would it be chemically similar ?

‘s’, ‘p’ block elements are collectively called as

Inner transition elements belong to …………

The element which is not metal in s – block is …………

Modern periodic law states that the properties of elements are periodic functions of their

Which of the following is the p block element ?

How many s – block and p block elements are there in the third period of the periodic table ?

Metalloids are

The ionization energy in the periodic table

As per modern periodic law, the properties of the elements are periodic functions of their

Elements of which group are called halogens?

Which of the following elements belongs to d block ?