1、1H氢 1s1 2He氦 1s2 3Li锂 1s22s1 4Be铍 1s22s2 5B硼 1s22s22p1 6C碳 1s22s22p2 7N氮 1s22s22p3 8O氧 1s22s22p4 9F氟 1s22s22p5 10Ne氖 1s22s22p6 11Na钠 1s22s22p63s1 12Mg镁 1s22s22p63s2 13Al铝 1s22s22p63s23p1 14Si硅 1s22s22p63s23p2 15P磷 1s22s22p63s23p3 16S硫 1s22s22p63s23p4 17Cl氯 1s22s22p63s23p5 18Ar氩 1s22s22p63s23p6 19K钾
2、1s22s22p63s23p64s1 20Ca钙 1s22s22p63s23p64s2 21Sc钪 1s22s22p63s23p63d14s2 22Ti钛 1s22s22p63s23p63d24s2 23V钒 1s22s22p63s23p63d34s2 24Cr铬 1s22s22p63s23p63d54s1 25Mn锰 1s22s22p63s23p63d54s2 26Fe铁 1s22s22p63s23p63d64s2 27Co钴 1s22s22p63s23p63d74s2 28Ni镍 1s22s22p63s23p63d84s2 29Cu铜 1s22s22p63s23p63d104s1 30Zn锌 1s22s22p63s23p63d104s2 31Ga镓 1s22s22p63s23p63d104s24p1 32Ge锗 1s22s22p63s23p63d104s24p2 33As砷 1s22s22p63s23p63d104s24p3 34Se硒 1s22s22p63s23p63d104s24p4 35Br溴1s22s22p63s23p63d104s24p5 36Kr氪 1s22s22p63s23p63d104s24p6