14. The energy expressions for the electrons in the Het ion and the hydrogen atom areEn(H)=-a\/n2 a

問題詳情

14. The energy expressions for the electrons in the Het ion and the hydrogen atom areEn(H)=-a/n2 and En (He+) =- 4a/n2

Which of the following statements is(are) correct?

Ⅰ.For the transitions n1→ n2 , the frequency is larger for H than for He+.

II. The first ionization energy of the H atom is smaller than the second ionization energy of the He atom.

III. The 1s orbital in He' is larger (in the sense that the probability density is shifted outward) than the is orbital in H.
(A) I only
(B) II only
(C) III only
(D) I and II only
(E) I, II, and III

參考答案

答案：B
難度：計算中-1
書單：沒有書單，新增

上一篇 : 13. An electron in a one-dimensional box requires energy with wavelength 8080 nm to excite it from t
下一篇 : 15. The wavelength of light associated with the n = 2 to n = 1 electron transition in the hydrogen s

問題詳情

參考答案

資訊推薦