16. Assuming the ionization energy of a hydrogen atom is E, estimate the 4f orbital energy for a Li2+ cation:
(A) 3E/4
(B)-3E/4
(C) 9E/16
(D) -9E/16
(E) E/4

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統計： A(0), B(1), C(1), D(0), E(0) #2826253