問題詳情

66. According to the Bohr Model, please use the equation below and calculate the minimum energy required to remove theelectron 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

參考答案

答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

用户評論

【hm24753576】評論

first exited state→電子填在2S22/22=1故選(A)