氢、氦没有电子排布简式3锂 Li[He] 2s1 4铍Be[He] 2s25硼B [He] 2s22p16碳C [He] 2s22p27氮N [He] 2s22p38氧O [He] 2s22p49氟 F[He] 2s22p510氖 Ne[He] 2s22p611钠Na [Ne] 3s112镁Mg [Ne] 3s213铝Al [Ne] 3s23p114硅...