試題詳解

30. The jonization energy of H is 13.6 eV. The first and second ionization energies of He will be approximately
(A) 5 eV and 14 eV
(B) 5 eV and 54 eV
(C) 14 eV and 24 eV
(D) 14 eV and 34 eV
(E) 24 eV and 54 eV