The first ionisation energy of H and He are 13.6 eV and 24.6 eV respectively
CHEMISTRY · Subjective · CBSE · Chemistry · Structure of Atom · Structure of Atom
Problem
The first ionisation energy of H and He are 13.6 eV and 24.6 eV respectively. How much energy would be given out during the formation of ground state of He atom from He2+ nucleus if it combines with two electrons?