Name the zero group elements and give their atomic numbers .

Why zero group elements do not form diatomic molecules ?

What are zero group elements ? Give the electronic configuration of the first four of them. Why zero group elements are also known as inert gases ?

What are zero group elements ? Give the electronic configuration of first four of them. Why are they called gases ? How xenon difluoride is prepared ?

Zero group elements are inert due to_______.

Zero group elements are monoatomic due to_______.

To which group of the periodic table does the element havig atomic number 19 belong ?