試題詳解

66. According to the Bohr Model, please use the equation below and calculate the minimum energy required to remove the electron from a He⁺ ion in its first excited state.
(A) 2.178 x 10^-18 J
(B) 5.445 x 10^-19 J
(C) 8.712 x 10^-18 J
(D) 4.356 x 10^-18 J
(E) 1.089 x 10^-18 J