The first excitation potential of a given atom is `10.2V`,then the ionisation potential is

Find the first and second excitation potentials of an atom when its ionisation potential is 122.4 V .

If the ionisation potential for hydrogen atom is 13.6 eV, then the ionisation potential for He^(+) ion should be

The ionisation potential of H_2 atom is

The first ionisation potential of carbon is ______but the second ionisation potential is _____ than boron.

The ionisation potential of hydrogen atom is

The ionisation potential of hydrogen atom is