31. What element has the electron configuration 1s22s22p63s23p6?
(A) Ar
(B) Cl
(C) Kr
(D) S
(E) none of these
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料
31. What element has the electron configuration 1s22s22p63s23p6?
(A) Ar
(B) Cl
(C) Kr
(D) S
(E) none of these