Period 2 consists of eight elements.

Period 6 consists of ____elements.

The outermost electrons configuration of the atom of an elements is 3s^2 3p^3. Mention the position of the elements in the long periodic table.

Which of these does not reflect the periodicity of the elements

What do you mean by periodicity of properties of elements?

The number of proper subsets in a set consisting of five distinct elements is_____

If the outer most electron configurationof an element is 3d^7 4S^2 , then determine the position of the element in the long form'of the periodic table.

According to the Lother Meyer periodic law properties of elements depend on which factor?

State two non periodic properties of element.

Explain the periodic trend in acid-base behaviour of the oxides of third period elements.

Mention a property whhich is not periodic property of elements.