Ionisation energy of hydrogen atom is 13.6eV.Calculate the ionisation energy for `Be^(3+)` in the first excited sate.

The ionisation energy of hydrogen atom is 13.6eV. What is the ionisation energy of He ?

Excitions energy of hydrogen atom is 13.6 eV mathc the following

The ionisation energy of hydrogen atom is 13.6 eV. What will be the ionisation energy of He^(+) and Li^(2+) ions?

Excitations energy of hydrogen atom is 13.6 eV match the following

The ionisation energy of hydrogen atom is 13.6 eV. Calculate Rydberg's constant for hydrogen.

The ionisation energy of hydrogen atom is 13.6 eV. The energy of an electron in the first excited state of hydrogen atom is