Name the element which is most electronegative , and the element which is least electronegative in the periodic chart.

The highest electronegativity in the periodic table is of:

Name the most electronegative element in the periodic table.

Which is the most electronegative element and the most electropositive element in the modern periodic table ?

In the following table, the positions of six elements A, B, C, D, E and F are given as they are in the Modern Periodic Table : On the basis of the above table, answer the following questions : (i) Name the element which forms only covalent compounds. (ii) Name the element which is a metal with valency three. (iii) Name the element which is a non-metal with valency three. (iv) Out of B and C, whose atomic radius is bigger and why? (v) Write the common name for the family to which the elements D and F belong.

Study the following table in which positions of six elements A, B, C, D, E and F are shown as they are in the modern periodic table : On the basis of the above table, answer the following questions : (i) Name the element which forms only covalent compounds. (ii) Name the element which is a metal with valency three. (iii) Name the element which is a non-metal with valency three. (iv) Out of D and E, which is bigger is size and why ? (v) Write the common name for the family to which the elements C and F belong.

Name the elements which have the smallest and the largest atoms.

Name the element which has highest electron affinity or electron gain enthalpy.