If The IP Of Na Is 5.48 EV, The Ionization Potential Of K will Be 

In the isoelectronic species the ionic radii (Å) of N^3–, O^2– and F^– are respectively given by   

The trivalent ion having largest size in lanthanide series is

Which of the following elements will have the lowest first ionisation energy?

A sudden large jump between the values of second and third ionisation energies of an element would be associated with the electronic configuration 

The correct order of ionisation energy for comparing carbon, nitrogen and oxygen is

Which of the following isoelectronic ions has lowest ionisation energy? 

Which of the following relation is correct?

Which of the following have highest electron affinity? 

Of the following elements, which one has the highest electro negativity?

Which element has the highest electronegativity?