n | I | II | III | IV | V | VI | VII | VIII |
1 K | 1 2.20 H |
2 He |
||||||
2 L | 3 0.98 Li |
4 1.57 Be |
5 2.04 B |
6 2.55 C |
7 3.04 N |
8 3.44 O |
9 3.98 F |
10 0 Ne |
3 M | 11 0.93 Na |
12 1.31 Mg |
13 1.61 Al |
14 1.90 Si |
15 2.19 P |
16 2.58 S |
17 3.16 Cl |
18 0 Ar |
4 N | 19 0.82 K |
20 1.10 Ca |
31 2.01 Ga |
32 2.01 Ge |
33 2.18 As |
34 2.55 Se |
35 2.96 Br |
36 0 Kr |
5 O | 37 0.82 Rb |
38 0.95 Sr |
49 1.78 In |
50 1.96 Sn |
51 2.05 Sb |
52 2.1 Te |
53 2.66 I |
54 0 Xe |
6 P | 55 0.7 Cs |
56 0.9 Ba |
81 1.8 Tl |
82 1.8 Pb |
83 1.9 Bi |
84 2.0 Po |
85 2.2 At |
86 0 Rn |
7 Q | 87 0.7 Fr |
88 0.9 Ra |
gruppi
verticali :I > VIII
periodi orizzontali :1 (K) > 7 (Q)
per ogni elemento :
numero atomico,, simbolo, elettronegativitą,
sec.Pauling