configurazione elettronica secondo numero atomico crescente
ordine
di riempimento
1s2-2s2-2p6-3s2-3p6-4s2-3d10-4p6-5s2-4d10-5p6-6s2-4f14-5d10-6p6-7s2
Z | sinbolo | gruppo | periodo | esterno | configurazione completa |
1 | H | I | 1 | 1s1 | 1s1 |
2 | He | VIII | 1 | 1s2 | 1s2 |
3 | Li | I | 2 | 2s1 | 1s2, 2s1 |
4 | Be | II | 2 | 2s2 | 1s2, 2s2 |
5 | B | III | 2 | 2s2, 2p1 | 1s2, 2s2, 2p1 |
6 | C | IV | 2 | 2s2, 2p2 | 1s2, 2s2, 2p2 |
7 | N | V | 2 | 2s2, 2p3 | 1s2, 2s2, 2p3 |
8 | O | VI | 2 | 2s2, 2p4 | 1s2, 2s2, 2p4 |
9 | F | VII | 2 | 2s2, 2p5 | 1s2, 2s2, 2p5 |
10 | Ne | VIII | 2 | 2s2, 2p6 | 1s2, 2s2, 2p6 |
11 | Na | I | 3 | 3s1 | 1s2, 2s2, 2p6, 3s1 |
12 | Mg | II | 3 | 3s2 | 1s2, 2s2, 2p6, 3s2 |
13 | Al | III | 3 | 3s2,3p1 | 1s2, 2s2, 2p6, 3s2, 3p1 |
14 | Si | IV | 3 | 3s2,3p2 | 1s2, 2s2, 2p6, 3s2, 3p2 |
15 | P | V | 3 | 3s2,3p3 | 1s2, 2s2, 2p6, 3s2, 3p3 |
16 | S | VI | 3 | 3s2,3p4 | 1s2, 2s2, 2p6, 3s2, 3p4 |
17 | Cl | VII | 3 | 3s2,3p5 | 1s2, 2s2, 2p6, 3s2, 3p5 |
18 | Ar | VIII | 3 | 3s2,3p6 | 1s2, 2s2, 2p6, 3s2, 3p6 |
19 | K | I | 4 | 4s1 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s1 |
20 | Ca | II | 4 | 4s2 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2 |
31 | Ga | III | 4 | 4s2, 4p1 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p1 |
32 | Ge | IV | 4 | 4s2, 4p2 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p2 |
33 | As | V | 4 | 4s2, 4p3 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p3 |
34 | Se | VI | 4 | 4s2, 4p4 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p4 |
35 | Br | VII | 4 | 4s2, 4p5 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5 |
36 | Kr | VII | 4 | 4s2, 4p6 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6 |
37 | Rb | I | 5 | 5s1 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s1 |
38 | Sr | II | 5 | 5s2 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2 |
49 | In | III | 5 | 5s2, 5p1 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p1 |
50 | Sn | IV | 5 | 5s2, 5p2 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p2 |
51 | Sb | V | 5 | 5s2, 5p3 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p3 |
52 | Te | VI | 5 | 5s2, 5p4 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p4 |
53 | I | VII | 5 | 5s2, 5p5 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p5 |
54 | Xe | VIII | 5 | 5s2, 5p6 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6 |
55 | Cs | I | 6 | 6s1 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6, 6s1 |
56 | Ba | II | 6 | 6s2 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6, 6s2 |
81 | Tl | III | 6 | 6s2, 6p1 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6, 6s2, 4f14, 5d10, 6p1 |
82 | Pb | IV | 6 | 6s2, 6p2 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6, 6s2, 4f14, 5d10, 6p2 |
83 | Bi | V | 6 | 6s2, 6p3 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6, 6s2, 4f14, 5d10, 6p3 |
84 | Po | VI | 6 | 6s2, 6p4 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6, 6s2, 4f14, 5d10, 6p4 |
85 | At | VII | 6 | 6s2, 6p5 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6, 6s2, 4f14, 5d10, 6p5 |
86 | Rn | VIII | 6 | 6s2, 6p6 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6, 6s2, 4f14, 5d10, 6p6 |
87 | Fr | I | 7 | 7s1 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6, 6s2, 4f14, 5d10, 6p6, 7s1 |
88 | Ra | II | 7 | 7s2 | 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6, 6s2, 4f14, 5d10, 6p6, 7s2 |
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