Which of the following is the valence electron configuration of the $^{26}\text{Fe}^{2 }$ ion? A、3d⁵B、3d³ 4s²C、3d⁶D、3d⁴ 4s²E、3d⁵ 4s¹
Which of the following is the valence electron configuration of the $^{26}\text{Fe}^{2 }$ ion?
A、3d⁵
B、3d³ 4s²
C、3d⁶
D、3d⁴ 4s²
E、3d⁵ 4s¹
发布时间：2026-02-12 19:48:56
