Tabel konfigurasi elektron
Konfigurasi elektron

| 2 | 8 | 8 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 8 | 8 | 8 | 8 | 8 |  |  |  |  |  |  |  |  |  |  |  |
55 Cs caesium: [Xe] 6s1
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 |  | 5s2 | 5p6 |  |  |  | 6s1 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 8 | 8 | 8 | 8 | 8 | 1 | 1 | 1 | 1 |  |  |  |  |  |  |  |
56 Ba barium: [Xe] 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 |  | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
57 La lantanum: [Xe] 5d1 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 |  | 5s2 | 5p6 | 5d1 |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 9 | 9 | 9 | 9 | 9 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
58 Ce cerium: [Xe] 4f1 5d1 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f1 | 5s2 | 5p6 | 5d1 |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 9 | 9 | 9 | 9 | 9 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
59 Pr praseodymium: [Xe] 4f3 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f3 | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 21 | 21 | 21 | 21 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
60 Nd neodymium: [Xe] 4f4 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f4 | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 22 | 22 | 22 | 22 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
61 Pm prometium: [Xe] 4f5 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f5 | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 23 | 23 | 23 | 23 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
62 Sm samarium: [Xe] 4f6 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f6 | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 24 | 24 | 24 | 24 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
63 Eu europium: [Xe] 4f7 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f7 | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 25 | 25 | 25 | 25 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
64 Gd gadolinium: [Xe] 4f7 5d1 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f7 | 5s2 | 5p6 | 5d1 |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 25 | 25 | 25 | 25 | 9 | 9 | 9 | 9 | 9 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
65 Tb terbium: [Xe] 4f9 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f9 | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 27 | 27 | 27 | 27 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
66 Dy dysprosium: [Xe] 4f10 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f10 | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 28 | 28 | 28 | 28 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
67 Ho holmium: [Xe] 4f11 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f11 | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 29 | 29 | 29 | 29 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
68 Er erbium: [Xe] 4f12 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f12 | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 30 | 30 | 30 | 30 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
69 Tm thulium: [Xe] 4f13 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f13 | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 31 | 31 | 31 | 31 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
70 Yb ytterbium: [Xe] 4f14 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 |  |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
71 Lu lutesium: [Xe] 4f14 5d1 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d1 |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 9 | 9 | 9 | 9 | 9 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
72 Hf hafnium: [Xe] 4f14 5d2 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d2 |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 10 | 10 | 10 | 10 | 10 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
73 Ta tantalum: [Xe] 4f14 5d3 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d3 |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 11 | 11 | 11 | 11 | 11 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
74 W wolfram: [Xe] 4f14 5d4 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d4 |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 12 | 12 | 12 | 12 | 12 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
75 Re rhenium: [Xe] 4f14 5d5 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d5 |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 13 | 13 | 13 | 13 | 13 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
76 Os osmium: [Xe] 4f14 5d6 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d6 |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 14 | 14 | 14 | 14 | 14 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
77 Ir iridium: [Xe] 4f14 5d7 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d7 |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 15 | 15 | 15 | 15 | 15 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
78 Pt platina: [Xe] 4f14 5d9 6s1
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d9 |  |  | 6s1 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 17 | 17 | 17 | 17 | 17 | 1 | 1 | 1 | 1 |  |  |  |  |  |  |  |
79 Au emas: [Xe] 4f14 5d10 6s1
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s1 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 1 | 1 | 1 | 1 |  |  |  |  |  |  |  |
80 Hg raksa: [Xe] 4f14 5d10 6s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s2 |  |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
81 Tl talium: [Xe] 4f14 5d10 6s2 6p1
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s2 | 6p1 |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 3 | 3 | 3 | 3 |  |  |  |  |  |  |  |
82 Pb timbal: [Xe] 4f14 5d10 6s2 6p2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s2 | 6p2 |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 4 | 4 | 4 | 4 |  |  |  |  |  |  |  |
83 Bi bismut: [Xe] 4f14 5d10 6s2 6p3
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s2 | 6p3 |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 5 | 5 | 5 | 5 |  |  |  |  |  |  |  |
84 Po polonium: [Xe] 4f14 5d10 6s2 6p4
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s2 | 6p4 |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 6 | 6 | 6 | 6 |  |  |  |  |  |  |  |
85 At astatin: [Xe] 4f14 5d10 6s2 6p5
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s2 | 6p5 |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 7 | 7 | 7 | 7 |  |  |  |  |  |  |  |
86 Rn radon: [Xe] 4f14 5d10 6s2 6p6
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s2 | 6p6 |  |  |  |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 8 | 8 | 8 | 8 |  |  |  |  |  |  |  |
87 Fr fransium: [Rn] 7s1
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s2 | 6p6 |  |  | 7s1 |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 8 | 8 | 8 | 8 | 1 | 1 | 1 |  |  |  |  |
88 Ra radium: [Rn] 7s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s2 | 6p6 |  |  | 7s2 |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 8 | 8 | 8 | 8 | 2 | 2 | 2 |  |  |  |  |
89 Ac aktinium: [Rn] 6d1 7s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s2 | 6p6 | 6d1 |  | 7s2 |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 9 | 9 | 9 | 9 | 2 | 2 | 2 |  |  |  |  |
90 Th torium: [Rn] 6d2 7s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 |  |  | 6s2 | 6p6 | 6d2 |  | 7s2 |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 18 | 18 | 18 | 18 | 18 | 10 | 10 | 10 | 10 | 2 | 2 | 2 |  |  |  |  |
91 Pa protaktinium: [Rn] 5f2 6d1 7s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 | 5f2 |  | 6s2 | 6p6 | 6d1 |  | 7s2 |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 20 | 20 | 20 | 20 | 20 | 9 | 9 | 9 | 9 | 2 | 2 | 2 |  |  |  |  |
92 U uranium: [Rn] 5f3 6d1 7s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 | 5f3 |  | 6s2 | 6p6 | 6d1 |  | 7s2 |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 21 | 21 | 21 | 21 | 21 | 9 | 9 | 9 | 9 | 2 | 2 | 2 |  |  |  |  |
93 Np neptunium: [Rn] 5f4 6d1 7s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 | 5f4 |  | 6s2 | 6p6 | 6d1 |  | 7s2 |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 22 | 22 | 22 | 22 | 22 | 9 | 9 | 9 | 9 | 2 | 2 | 2 |  |  |  |  |
94 Pu plutonium: [Rn] 5f6 7s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 | 5f6 |  | 6s2 | 6p6 |  |  | 7s2 |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 24 | 24 | 24 | 24 | 24 | 8 | 8 | 8 | 8 | 2 | 2 | 2 |  |  |  |  |
95 Am americium: [Rn] 5f7 7s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 | 5f7 |  | 6s2 | 6p6 |  |  | 7s2 |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 25 | 25 | 25 | 25 | 25 | 8 | 8 | 8 | 8 | 2 | 2 | 2 |  |  |  |  |
96 Cm curium: [Rn] 5f7 6d1 7s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 | 5f7 |  | 6s2 | 6p6 | 6d1 |  | 7s2 |  |  |  |  |  |  |
| 2 | 8 | 8 | 18 | 18 | 18 | 32 | 32 | 32 | 32 | 25 | 25 | 25 | 25 | 25 | 9 | 9 | 9 | 9 | 2 | 2 | 2 |  |  |  |  |
97 Bk berkelium: [Rn] 5f9 7s2
| 1s2 | 2s2 | 2p6 | 3s2 | 3p6 | 3d10 | 4s2 | 4p6 | 4d10 | 4f14 | 5s2 | 5p6 | 5d10 | 5f9 |  | 6s2 | 6p6 |  |  | 7s2 |  |  |  |  |  |  |