Study the list of elements given below: Na, Mg, Si, Be, B, C, Al
Discuss the concept based on which you selected the element pairs.

Study the list of elements given below: Na, Mg, Li, B, C Select the pairs showing diagonal relationship.

Study the list of elements given below: Li, Mg, Si, Be, B, C, Al Make three pairs of elements such that they show similarity in their properties.

The atomic number of two elements are given below. Mg = 12, O = 8 Write the electron configuration of these elements.

The atomic number of two elements are given below. Si-14 Ni-28 : Write the subshell electronic configu- I ration of these elements.

The atomic number of two elements are given below. Si-14 Ni-28 : Find out the group and period of each I element.

The atomic number of two elements are given below.Mg = 12,O = 8 Draw the electron dot diagram of the compound formation.

The atomic number of four elements are given below. Which of them are inert gases ?

Some d- block elements are given below. Cr, Mn, Fe, Co, Ni:- Identify The element which shows maximum paramagnetic behaviour.

The electronegativity values of two elements are given below. (C=2.55 H = 2.20 ) Which type of compound will be formed if these two elements combine together? Give reason.

The order of reactivity of some metais elements are given below. Na gt Mg gt Zn gt Fe gt Ni gt H gt Cu a) Which element looses a lustre most easily in exposure to air? b) Which is the element that cannot displace Hydrogen from di. HCI?