試題詳解

27. Which of the following electron configurations is incorrect?
(A)S^2– : 1s²2s²2p⁶3s²3p⁶
(B) Na⁺:1s² 2s ² 2p⁶
(C) Ga: 1s² 2s² 2p⁶3s²3p⁶4s²3d¹⁰
(D)V:1s²2s²2p⁶3s²3p⁶4s²3d³
(E)I: 1s²2s²2p⁶3s²3p⁶4s² 3d¹⁰4p⁶5s²4d¹⁰5p⁵