Mercury is the only metal which is liquid at $0 \, ^{\circ}C$. This is due to its

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

The second ionization energy is maximum for

The ionisation potentials of $Li$ and $K$ are $5.4 \ eV$ and $4.3 \ eV$ respectively. The ionisation potential of $Na$ will be ................ $eV$.

Which of the following has maximum first ionisation energy?

The successive $5$ ionisation energies of an element are $800, 2427, 3658, 25024$ and $32824 \ kJ/mol$,respectively. By using the above values,predict the group in which the above element is present: