价层电子排布式书写规则是处于稳定状态的原子，核外电子将尽可能地按能量最低原理排布

特殊情况：$\ce{Cr}:[\ce{Ar}]3d^54s^1$，$\ce{Cu}: [\ce{Ar}]3d^{10}4s^1$

从最外层电子开始失去

$\ce{Fe}: [\ce{Ar}] 3d^64s^2$

$\ce{Fe}^{2+}:[\ce{Ar}]3d^6$

$\ce{Fe}^{3+}:[\ce{Ar}]3d^5$

$\ce{Cu}: [\ce{Ar}] 3d^{10}4s^1$

$\ce{Cu}^{+}:[\ce{Ar}]3d^{10}$

$\ce{Cu}^{2+}:[\ce{Ar}]3d^9$

$\ce{Zn}: [\ce{Ar}] 3d^{10}4s^2$

$\ce{Zn}^{+}:[\ce{Ar}]3d^{10}$

最后更新于1个月前