問題詳情

87.tWhat is the electron configuration for the barium atom?
(A) 1s22s22p63p64s2
(B) 1s22s22p63s23p64s1
(C) 1s22s22p63s23p63d104s2
(D) [Xe] 6s2t
(E) 1 s22s22p63s2

參考答案

答案:D

統計:A:0,B:0,C:1,D:1,E:0

難度:計算中