阿摩線上測驗
25. The E/Ru value for an electron at n = 1 in a He+ cation, where E = energy, 
= Rydberg constant =13.61 eV, n = principal quantum number, is
(A)-1
(B)-2
(C)-3
(D)-4
(E) none of the above
答案：登入後查看
統計： A(2), B(0), C(1), D(0), E(0) #3222749
統計： A(2), B(0), C(1), D(0), E(0) #3222749
